52264921 has 2 divisors, whose sum is σ = 52264922. Its totient is φ = 52264920.

The previous prime is 52264913. The next prime is 52264937. The reversal of 52264921 is 12946225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50965321 + 1299600 = 7139^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 52264921 - 2³ = 52264913 is a prime.

It is not a weakly prime, because it can be changed into another prime (52264951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26132460 + 26132461.

It is an arithmetic number, because the mean of its divisors is an integer number (26132461).

Almost surely, 2^52264921 is an apocalyptic number.

It is an amenable number.

52264921 is a deficient number, since it is larger than the sum of its proper divisors (1).

52264921 is an equidigital number, since it uses as much as digits as its factorization.

52264921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 52264921 is about 7229.4481808780. The cubic root of 52264921 is about 373.8839016422.

The spelling of 52264921 in words is "fifty-two million, two hundred sixty-four thousand, nine hundred twenty-one".