2057621302 has 36 divisors (see below), whose sum is σ = 3560550156. Its totient is φ = 884316240.

The previous prime is 2057621263. The next prime is 2057621329. The reversal of 2057621302 is 2031267502.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4042224 + ... + 4042732.

It is an arithmetic number, because the mean of its divisors is an integer number (98904171).

Almost surely, 2^2057621302 is an apocalyptic number.

2057621302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2057621302 is a deficient number, since it is larger than the sum of its proper divisors (1502928854).

2057621302 is an equidigital number, since it uses as much as digits as its factorization.

2057621302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 541 counting only the distinct ones).

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

The square root of 2057621302 is about 45361.0108132524. The cubic root of 2057621302 is about 1271.9063897957.

Adding to 2057621302 its reverse (2031267502), we get a palindrome (4088888804).

The spelling of 2057621302 in words is "two billion, fifty-seven million, six hundred twenty-one thousand, three hundred two".