1056252757 has 8 divisors (see below), whose sum is σ = 1207372032. Its totient is φ = 905190000.

The previous prime is 1056252749. The next prime is 1056252763. The reversal of 1056252757 is 7572526501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056252757 - 2³ = 1056252749 is a prime.

It is a super-2 number, since 2×1056252757² = 2231339773340202098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056252737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39507 + ... + 60607.

It is an arithmetic number, because the mean of its divisors is an integer number (150921504).

Almost surely, 2^1056252757 is an apocalyptic number.

It is an amenable number.

1056252757 is a deficient number, since it is larger than the sum of its proper divisors (151119275).

1056252757 is an equidigital number, since it uses as much as digits as its factorization.

1056252757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28259.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 1056252757 is about 32500.0424153569. The cubic root of 1056252757 is about 1018.4099141995.

The spelling of 1056252757 in words is "one billion, fifty-six million, two hundred fifty-two thousand, seven hundred fifty-seven".