1057043925 has 216 divisors, whose sum is σ = 2361786336. Its totient is φ = 467026560.

The previous prime is 1057043899. The next prime is 1057043951. The reversal of 1057043925 is 5293407501.

It is an interprime number because it is at equal distance from previous prime (1057043899) and next prime (1057043951).

It is not a de Polignac number, because 1057043925 - 2⁵ = 1057043893 is a prime.

It is a super-2 number, since 2×1057043925² = 2234683718758811250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1057043925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 15776742 + ... + 15776808.

It is an arithmetic number, because the mean of its divisors is an integer number (10934196).

Almost surely, 2^1057043925 is an apocalyptic number.

1057043925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057043925 is an abundant number, since it is smaller than the sum of its proper divisors (1304742411).

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

1057043925 is an equidigital number, since it uses as much as digits as its factorization.

1057043925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1057043925 is about 32512.2119364401. The cubic root of 1057043925 is about 1018.6641248953.

The spelling of 1057043925 in words is "one billion, fifty-seven million, forty-three thousand, nine hundred twenty-five".