52715237 has 2 divisors, whose sum is σ = 52715238. Its totient is φ = 52715236.

The previous prime is 52715207. The next prime is 52715239. The reversal of 52715237 is 73251725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45819361 + 6895876 = 6769^2 + 2626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52715237 is a prime.

Together with 52715239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52715239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26357618 + 26357619.

It is an arithmetic number, because the mean of its divisors is an integer number (26357619).

Almost surely, 2^52715237 is an apocalyptic number.

It is an amenable number.

52715237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52715237 is an equidigital number, since it uses as much as digits as its factorization.

52715237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 32.

The square root of 52715237 is about 7260.5259451365. The cubic root of 52715237 is about 374.9546303630.

The spelling of 52715237 in words is "fifty-two million, seven hundred fifteen thousand, two hundred thirty-seven".