1057985252 has 24 divisors (see below), whose sum is σ = 1903300224. Its totient is φ = 514212192.

The previous prime is 1057985207. The next prime is 1057985261. The reversal of 1057985252 is 2525897501.

It is a super-2 number, since 2×1057985252² = 2238665586899007008, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193703 + ... + 199089.

It is an arithmetic number, because the mean of its divisors is an integer number (79304176).

Almost surely, 2^1057985252 is an apocalyptic number.

It is an amenable number.

1057985252 is a deficient number, since it is larger than the sum of its proper divisors (845314972).

1057985252 is a wasteful number, since it uses less digits than its factorization.

1057985252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755 (or 6753 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 1057985252 is about 32526.6852292083. The cubic root of 1057985252 is about 1018.9664180866.

The spelling of 1057985252 in words is "one billion, fifty-seven million, nine hundred eighty-five thousand, two hundred fifty-two".