Search a number
-
+
1225554041 is a prime number
BaseRepresentation
bin100100100001100…
…0111100001111001
310011102002121002102
41021003013201321
510002220212131
6321335513145
742241015565
oct11103074171
93142077072
101225554041
1157987a988
122a25287b5
13166ba090a
14b8aa26a5
15728d71cb
hex490c7879

1225554041 has 2 divisors, whose sum is σ = 1225554042. Its totient is φ = 1225554040.

The previous prime is 1225554023. The next prime is 1225554059. The reversal of 1225554041 is 1404555221.

It is a balanced prime because it is at equal distance from previous prime (1225554023) and next prime (1225554059).

It can be written as a sum of positive squares in only one way, i.e., 1090320400 + 135233641 = 33020^2 + 11629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1225554041 is a prime.

It is a super-2 number, since 2×12255540412 = 3003965414822859362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225553995 and 1225554013.

It is not a weakly prime, because it can be changed into another prime (1225554061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612777020 + 612777021.

It is an arithmetic number, because the mean of its divisors is an integer number (612777021).

Almost surely, 21225554041 is an apocalyptic number.

It is an amenable number.

1225554041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225554041 is an equidigital number, since it uses as much as digits as its factorization.

1225554041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1225554041 is about 35007.9139766996. The cubic root of 1225554041 is about 1070.1487669823.

The spelling of 1225554041 in words is "one billion, two hundred twenty-five million, five hundred fifty-four thousand, forty-one".