1057624231 has 8 divisors (see below), whose sum is σ = 1063355904. Its totient is φ = 1051908120.

The previous prime is 1057624223. The next prime is 1057624237. The reversal of 1057624231 is 1324267501.

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 1057624231 - 2³ = 1057624223 is a prime.

It is a super-2 number, since 2×1057624231² = 2237138027996682722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057624193 and 1057624202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057624237) 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, 147966 + ... + 154948.

It is an arithmetic number, because the mean of its divisors is an integer number (132919488).

Almost surely, 2^1057624231 is an apocalyptic number.

1057624231 is a deficient number, since it is larger than the sum of its proper divisors (5731673).

1057624231 is an equidigital number, since it uses as much as digits as its factorization.

1057624231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1057624231 is about 32521.1351431650. The cubic root of 1057624231 is about 1018.8505027574.

The spelling of 1057624231 in words is "one billion, fifty-seven million, six hundred twenty-four thousand, two hundred thirty-one".