1057266252 has 36 divisors (see below), whose sum is σ = 3054325456. Its totient is φ = 302076000.

The previous prime is 1057266239. The next prime is 1057266271. The reversal of 1057266252 is 2526627501.

1057266252 is a `hidden beast` number, since 1 + 0 + 5 + 7 + 26 + 625 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1057266252² = 2235623855236255008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2097499 + ... + 2098002.

Almost surely, 2^1057266252 is an apocalyptic number.

1057266252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057266252 is an abundant number, since it is smaller than the sum of its proper divisors (1997059204).

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

1057266252 is a wasteful number, since it uses less digits than its factorization.

1057266252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195518 (or 4195513 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1057266252 is about 32515.6308873133. The cubic root of 1057266252 is about 1018.7355380937.

The spelling of 1057266252 in words is "one billion, fifty-seven million, two hundred sixty-six thousand, two hundred fifty-two".