52215929 has 2 divisors, whose sum is σ = 52215930. Its totient is φ = 52215928.

The previous prime is 52215913. The next prime is 52215941. The reversal of 52215929 is 92951225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 11868025 = 6352^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 52215929 - 2⁴ = 52215913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52215949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26107964 + 26107965.

It is an arithmetic number, because the mean of its divisors is an integer number (26107965).

Almost surely, 2^52215929 is an apocalyptic number.

It is an amenable number.

52215929 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215929 is an equidigital number, since it uses as much as digits as its factorization.

52215929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 52215929 is about 7226.0590227315. The cubic root of 52215929 is about 373.7670415752.

The spelling of 52215929 in words is "fifty-two million, two hundred fifteen thousand, nine hundred twenty-nine".