1057678825 has 12 divisors (see below), whose sum is σ = 1498882240. Its totient is φ = 725265360.

The previous prime is 1057678819. The next prime is 1057678829. The reversal of 1057678825 is 5288767501.

It is not a de Polignac number, because 1057678825 - 2⁹ = 1057678313 is a prime.

It is a super-2 number, since 2×1057678825² = 2237368993706761250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1057678829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3021765 + ... + 3022114.

Almost surely, 2^1057678825 is an apocalyptic number.

It is an amenable number.

1057678825 is a deficient number, since it is larger than the sum of its proper divisors (441203415).

1057678825 is an equidigital number, since it uses as much as digits as its factorization.

1057678825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043896 (or 6043891 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The square root of 1057678825 is about 32521.9744941785. The cubic root of 1057678825 is about 1018.8680332961.

It can be divided in two parts, 10576 and 78825, that added together give a square (89401 = 299²).

The spelling of 1057678825 in words is "one billion, fifty-seven million, six hundred seventy-eight thousand, eight hundred twenty-five".