2657900057 has 2 divisors, whose sum is σ = 2657900058. Its totient is φ = 2657900056.

The previous prime is 2657900051. The next prime is 2657900081. The reversal of 2657900057 is 7500097562.

2657900057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2570084416 + 87815641 = 50696^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2657900057 - 2¹⁶ = 2657834521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2657899987 and 2657900023.

It is not a weakly prime, because it can be changed into another prime (2657900051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328950028 + 1328950029.

It is an arithmetic number, because the mean of its divisors is an integer number (1328950029).

Almost surely, 2^2657900057 is an apocalyptic number.

It is an amenable number.

2657900057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657900057 is an equidigital number, since it uses as much as digits as its factorization.

2657900057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 2657900057 is about 51554.8257392070. The cubic root of 2657900057 is about 1385.2012735156.

The spelling of 2657900057 in words is "two billion, six hundred fifty-seven million, nine hundred thousand, fifty-seven".