52239101 has 2 divisors, whose sum is σ = 52239102. Its totient is φ = 52239100.

The previous prime is 52239091. The next prime is 52239127. The reversal of 52239101 is 10193225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 24025 = 7226^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52239101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52239191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26119550 + 26119551.

It is an arithmetic number, because the mean of its divisors is an integer number (26119551).

Almost surely, 2^52239101 is an apocalyptic number.

It is an amenable number.

52239101 is a deficient number, since it is larger than the sum of its proper divisors (1).

52239101 is an equidigital number, since it uses as much as digits as its factorization.

52239101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 52239101 is about 7227.6622084876. The cubic root of 52239101 is about 373.8223225926.

The spelling of 52239101 in words is "fifty-two million, two hundred thirty-nine thousand, one hundred one".