202512157 has 2 divisors, whose sum is σ = 202512158. Its totient is φ = 202512156.

The previous prime is 202512083. The next prime is 202512173. The reversal of 202512157 is 751215202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107039716 + 95472441 = 10346^2 + 9771^2 .

It is a cyclic number.

It is not a de Polignac number, because 202512157 - 2⁷ = 202512029 is a prime.

It is a super-2 number, since 2×202512157² = 82022347465585298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202518157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101256078 + 101256079.

It is an arithmetic number, because the mean of its divisors is an integer number (101256079).

Almost surely, 2^202512157 is an apocalyptic number.

It is an amenable number.

202512157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202512157 is an equidigital number, since it uses as much as digits as its factorization.

202512157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 202512157 is about 14230.6766177860. The cubic root of 202512157 is about 587.2418973095.

Adding to 202512157 its reverse (751215202), we get a palindrome (953727359).

The spelling of 202512157 in words is "two hundred two million, five hundred twelve thousand, one hundred fifty-seven".