52215337 has 2 divisors, whose sum is σ = 52215338. Its totient is φ = 52215336.

The previous prime is 52215281. The next prime is 52215343. The reversal of 52215337 is 73351225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 14220441 = 6164^2 + 3771^2 .

It is a cyclic number.

It is not a de Polignac number, because 52215337 - 2²³ = 43826729 is a prime.

It is equal to p_3125935 and since 52215337 and 3125935 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52215437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26107668 + 26107669.

It is an arithmetic number, because the mean of its divisors is an integer number (26107669).

Almost surely, 2^52215337 is an apocalyptic number.

It is an amenable number.

52215337 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215337 is an equidigital number, since it uses as much as digits as its factorization.

52215337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 28.

The square root of 52215337 is about 7226.0180597615. The cubic root of 52215337 is about 373.7656290374.

The spelling of 52215337 in words is "fifty-two million, two hundred fifteen thousand, three hundred thirty-seven".