52012157 has 2 divisors, whose sum is σ = 52012158. Its totient is φ = 52012156.

The previous prime is 52012153. The next prime is 52012193. The reversal of 52012157 is 75121025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34880836 + 17131321 = 5906^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 52012157 - 2² = 52012153 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 (52012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26006078 + 26006079.

It is an arithmetic number, because the mean of its divisors is an integer number (26006079).

Almost surely, 2^52012157 is an apocalyptic number.

It is an amenable number.

52012157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52012157 is an equidigital number, since it uses as much as digits as its factorization.

52012157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 52012157 is about 7211.9454379522. The cubic root of 52012157 is about 373.2802006833.

The spelling of 52012157 in words is "fifty-two million, twelve thousand, one hundred fifty-seven".