52921039 has 2 divisors, whose sum is σ = 52921040. Its totient is φ = 52921038.

The previous prime is 52921021. The next prime is 52921067. The reversal of 52921039 is 93012925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52921039 - 2⁵ = 52921007 is a prime.

It is equal to p_3165619 and since 52921039 and 3165619 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52921039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52921019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26460519 + 26460520.

It is an arithmetic number, because the mean of its divisors is an integer number (26460520).

Almost surely, 2^52921039 is an apocalyptic number.

52921039 is a deficient number, since it is larger than the sum of its proper divisors (1).

52921039 is an equidigital number, since it uses as much as digits as its factorization.

52921039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 52921039 is about 7274.6848041685. The cubic root of 52921039 is about 375.4419417768.

The spelling of 52921039 in words is "fifty-two million, nine hundred twenty-one thousand, thirty-nine".