2057245631 has 8 divisors (see below), whose sum is σ = 2383345824. Its totient is φ = 1739197440.

The previous prime is 2057245627. The next prime is 2057245637. The reversal of 2057245631 is 1365427502.

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 2057245631 - 2² = 2057245627 is a prime.

It is a super-2 number, since 2×2057245631² = 8464519172537176322, 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 = 2057245591 and 2057245600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057245637) 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, 2012450 + ... + 2013471.

It is an arithmetic number, because the mean of its divisors is an integer number (297918228).

Almost surely, 2^2057245631 is an apocalyptic number.

2057245631 is a deficient number, since it is larger than the sum of its proper divisors (326100193).

2057245631 is an equidigital number, since it uses as much as digits as its factorization.

2057245631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026001.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2057245631 is about 45356.8697222372. The cubic root of 2057245631 is about 1271.8289788184.

The spelling of 2057245631 in words is "two billion, fifty-seven million, two hundred forty-five thousand, six hundred thirty-one".