202056251 has 2 divisors, whose sum is σ = 202056252. Its totient is φ = 202056250.

The previous prime is 202056247. The next prime is 202056263. The reversal of 202056251 is 152650202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202056251 - 2² = 202056247 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (202056221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101028125 + 101028126.

It is an arithmetic number, because the mean of its divisors is an integer number (101028126).

Almost surely, 2^202056251 is an apocalyptic number.

202056251 is a deficient number, since it is larger than the sum of its proper divisors (1).

202056251 is an equidigital number, since it uses as much as digits as its factorization.

202056251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 202056251 is about 14214.6491690791. The cubic root of 202056251 is about 586.8008896072.

The spelling of 202056251 in words is "two hundred two million, fifty-six thousand, two hundred fifty-one".