202495231 has 2 divisors, whose sum is σ = 202495232. Its totient is φ = 202495230.

The previous prime is 202495171. The next prime is 202495247. The reversal of 202495231 is 132594202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202495231 - 2¹⁹ = 201970943 is a prime.

It is a super-2 number, since 2×202495231² = 82008637155486722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202495231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202495261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101247615 + 101247616.

It is an arithmetic number, because the mean of its divisors is an integer number (101247616).

Almost surely, 2^202495231 is an apocalyptic number.

202495231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202495231 is an equidigital number, since it uses as much as digits as its factorization.

202495231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 202495231 is about 14230.0819041916. The cubic root of 202495231 is about 587.2255362617.

The spelling of 202495231 in words is "two hundred two million, four hundred ninety-five thousand, two hundred thirty-one".