202541860057 has 2 divisors, whose sum is σ = 202541860058. Its totient is φ = 202541860056.

The previous prime is 202541860007. The next prime is 202541860069. The reversal of 202541860057 is 750068145202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184331976921 + 18209883136 = 429339^2 + 134944^2 .

It is a cyclic number.

It is not a de Polignac number, because 202541860057 - 2³⁵ = 168182121689 is a prime.

It is not a weakly prime, because it can be changed into another prime (202541860007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101270930028 + 101270930029.

It is an arithmetic number, because the mean of its divisors is an integer number (101270930029).

Almost surely, 2^202541860057 is an apocalyptic number.

It is an amenable number.

202541860057 is a deficient number, since it is larger than the sum of its proper divisors (1).

202541860057 is an equidigital number, since it uses as much as digits as its factorization.

202541860057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 202541860057 in words is "two hundred two billion, five hundred forty-one million, eight hundred sixty thousand, fifty-seven".