2657656201 has 2 divisors, whose sum is σ = 2657656202. Its totient is φ = 2657656200.

The previous prime is 2657656171. The next prime is 2657656283. The reversal of 2657656201 is 1026567562.

2657656201 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., 2572924176 + 84732025 = 50724^2 + 9205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2657656201 - 2²⁷ = 2523438473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2687656201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328828100 + 1328828101.

It is an arithmetic number, because the mean of its divisors is an integer number (1328828101).

Almost surely, 2^2657656201 is an apocalyptic number.

It is an amenable number.

2657656201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657656201 is an equidigital number, since it uses as much as digits as its factorization.

2657656201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2657656201 is about 51552.4606687208. The cubic root of 2657656201 is about 1385.1589092474.

The spelling of 2657656201 in words is "two billion, six hundred fifty-seven million, six hundred fifty-six thousand, two hundred one".