925257644 has 12 divisors (see below), whose sum is σ = 1675035600. Its totient is φ = 446676048.

The previous prime is 925257643. The next prime is 925257659. The reversal of 925257644 is 446752529.

It is a super-2 number, since 2×925257644² = 1712203415560861472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 925257595 and 925257604.

It is not an unprimeable number, because it can be changed into a prime (925257643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988064 + ... + 3988295.

It is an arithmetic number, because the mean of its divisors is an integer number (139586300).

Almost surely, 2^925257644 is an apocalyptic number.

It is an amenable number.

925257644 is a deficient number, since it is larger than the sum of its proper divisors (749777956).

925257644 is a wasteful number, since it uses less digits than its factorization.

925257644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976392 (or 7976390 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 925257644 is about 30418.0479978581. The cubic root of 925257644 is about 974.4380347835.

The spelling of 925257644 in words is "nine hundred twenty-five million, two hundred fifty-seven thousand, six hundred forty-four".