Search a number
-
+
1225437341 is a prime number
BaseRepresentation
bin100100100001010…
…1011000010011101
310011101212200000012
41021002223002131
510002202443331
6321333213005
742240021422
oct11102530235
93141780005
101225437341
11579800237
122a2491165
13166b5c76b
14b8a71d49
15728b282b
hex490ab09d

1225437341 has 2 divisors, whose sum is σ = 1225437342. Its totient is φ = 1225437340.

The previous prime is 1225437307. The next prime is 1225437359. The reversal of 1225437341 is 1437345221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989354116 + 236083225 = 31454^2 + 15365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225437341 - 26 = 1225437277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225437298 and 1225437307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225437371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612718670 + 612718671.

It is an arithmetic number, because the mean of its divisors is an integer number (612718671).

Almost surely, 21225437341 is an apocalyptic number.

It is an amenable number.

1225437341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225437341 is an equidigital number, since it uses as much as digits as its factorization.

1225437341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 1225437341 is about 35006.2471710408. The cubic root of 1225437341 is about 1070.1147985835.

The spelling of 1225437341 in words is "one billion, two hundred twenty-five million, four hundred thirty-seven thousand, three hundred forty-one".