1255267625 has 8 divisors (see below), whose sum is σ = 1566574152. Its totient is φ = 1004214000.

The previous prime is 1255267621. The next prime is 1255267627. The reversal of 1255267625 is 5267625521.

It can be written as a sum of positive squares in 4 ways, for example, as 294019609 + 961248016 = 17147^2 + 31004^2 .

It is not a de Polignac number, because 1255267625 - 2² = 1255267621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255267621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5020946 + ... + 5021195.

It is an arithmetic number, because the mean of its divisors is an integer number (195821769).

Almost surely, 2^1255267625 is an apocalyptic number.

It is an amenable number.

1255267625 is a deficient number, since it is larger than the sum of its proper divisors (311306527).

1255267625 is an equidigital number, since it uses as much as digits as its factorization.

1255267625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042156 (or 10042146 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 1255267625 is about 35429.7562085883. The cubic root of 1255267625 is about 1078.7283916368.

The spelling of 1255267625 in words is "one billion, two hundred fifty-five million, two hundred sixty-seven thousand, six hundred twenty-five".