82552157 has 2 divisors, whose sum is σ = 82552158. Its totient is φ = 82552156.

The previous prime is 82552121. The next prime is 82552177. The reversal of 82552157 is 75125528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 18887716 = 7979^2 + 4346^2 .

It is a cyclic number.

It is not a de Polignac number, because 82552157 - 2²⁰ = 81503581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82552117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41276078 + 41276079.

It is an arithmetic number, because the mean of its divisors is an integer number (41276079).

Almost surely, 2^82552157 is an apocalyptic number.

It is an amenable number.

82552157 is a deficient number, since it is larger than the sum of its proper divisors (1).

82552157 is an equidigital number, since it uses as much as digits as its factorization.

82552157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28000, while the sum is 35.

The square root of 82552157 is about 9085.8217570014. The cubic root of 82552157 is about 435.4211045245.

The spelling of 82552157 in words is "eighty-two million, five hundred fifty-two thousand, one hundred fifty-seven".