2057302621 has 12 divisors (see below), whose sum is σ = 2313927616. Its totient is φ = 1826775720.

The previous prime is 2057302619. The next prime is 2057302661. The reversal of 2057302621 is 1262037502.

It is not a de Polignac number, because 2057302621 - 2¹ = 2057302619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2057302621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057302661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192501 + ... + 202906.

Almost surely, 2^2057302621 is an apocalyptic number.

It is an amenable number.

2057302621 is a deficient number, since it is larger than the sum of its proper divisors (256624995).

2057302621 is a wasteful number, since it uses less digits than its factorization.

2057302621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395472 (or 395461 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2057302621 is about 45357.4979578900. The cubic root of 2057302621 is about 1271.8407228162.

The spelling of 2057302621 in words is "two billion, fifty-seven million, three hundred two thousand, six hundred twenty-one".