1056644325 has 96 divisors (see below), whose sum is σ = 2140041600. Its totient is φ = 506880000.

The previous prime is 1056644293. The next prime is 1056644353. The reversal of 1056644325 is 5234466501.

1056644325 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 644 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 1056644325 - 2⁵ = 1056644293 is a prime.

It is a super-2 number, since 2×1056644325² = 2232994459109411250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056644325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 749221 + ... + 750629.

It is an arithmetic number, because the mean of its divisors is an integer number (22292100).

Almost surely, 2^1056644325 is an apocalyptic number.

1056644325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056644325 is an abundant number, since it is smaller than the sum of its proper divisors (1083397275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056644325 is a wasteful number, since it uses less digits than its factorization.

1056644325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1056644325 is about 32506.0659723689. The cubic root of 1056644325 is about 1018.5357450240.

The spelling of 1056644325 in words is "one billion, fifty-six million, six hundred forty-four thousand, three hundred twenty-five".