725565053 has 2 divisors, whose sum is σ = 725565054. Its totient is φ = 725565052.

The previous prime is 725565041. The next prime is 725565073. The reversal of 725565053 is 350565527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707400409 + 18164644 = 26597^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 725565053 - 2²⁸ = 457129597 is a prime.

It is a super-2 number, since 2×725565053² = 1052889292269785618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 725564998 and 725565016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725565023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362782526 + 362782527.

It is an arithmetic number, because the mean of its divisors is an integer number (362782527).

Almost surely, 2^725565053 is an apocalyptic number.

It is an amenable number.

725565053 is a deficient number, since it is larger than the sum of its proper divisors (1).

725565053 is an equidigital number, since it uses as much as digits as its factorization.

725565053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 38.

The square root of 725565053 is about 26936.3147627882. The cubic root of 725565053 is about 898.5842155699.

The spelling of 725565053 in words is "seven hundred twenty-five million, five hundred sixty-five thousand, fifty-three".