265725956 has 24 divisors (see below), whose sum is σ = 481719000. Its totient is φ = 128104704.

The previous prime is 265725937. The next prime is 265725991. The reversal of 265725956 is 659527562.

It can be written as a sum of positive squares in 4 ways, for example, as 62948356 + 202777600 = 7934^2 + 14240^2 .

It is a super-2 number, since 2×265725956² = 141220567384227872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265725956.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 129950 + ... + 131978.

It is an arithmetic number, because the mean of its divisors is an integer number (20071625).

Almost surely, 2^265725956 is an apocalyptic number.

It is an amenable number.

265725956 is a deficient number, since it is larger than the sum of its proper divisors (215993044).

265725956 is a wasteful number, since it uses less digits than its factorization.

265725956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 47.

The square root of 265725956 is about 16301.1029074722. The cubic root of 265725956 is about 642.9018261898.

The spelling of 265725956 in words is "two hundred sixty-five million, seven hundred twenty-five thousand, nine hundred fifty-six".