Search a number
-
+
225125887457 is a prime number
BaseRepresentation
bin1101000110101010001…
…1000110110111100001
3210112002102002000102202
43101222203012313201
512142024211344312
6251231005022545
722156554320132
oct3215243066741
9715072060382
10225125887457
1187525770349
123776a254a55
13182c99612c3
14ac79077c89
155cc92119c2
hex346a8c6de1

225125887457 has 2 divisors, whose sum is σ = 225125887458. Its totient is φ = 225125887456.

The previous prime is 225125887451. The next prime is 225125887463. The reversal of 225125887457 is 754788521522.

225125887457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (225125887451) and next prime (225125887463).

It can be written as a sum of positive squares in only one way, i.e., 184186030561 + 40939856896 = 429169^2 + 202336^2 .

It is a cyclic number.

It is not a de Polignac number, because 225125887457 - 212 = 225125883361 is a prime.

It is not a weakly prime, because it can be changed into another prime (225125887451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112562943728 + 112562943729.

It is an arithmetic number, because the mean of its divisors is an integer number (112562943729).

Almost surely, 2225125887457 is an apocalyptic number.

It is an amenable number.

225125887457 is a deficient number, since it is larger than the sum of its proper divisors (1).

225125887457 is an equidigital number, since it uses as much as digits as its factorization.

225125887457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544000, while the sum is 56.

The spelling of 225125887457 in words is "two hundred twenty-five billion, one hundred twenty-five million, eight hundred eighty-seven thousand, four hundred fifty-seven".