52258321 has 2 divisors, whose sum is σ = 52258322. Its totient is φ = 52258320.

The previous prime is 52258279. The next prime is 52258411. The reversal of 52258321 is 12385225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 11999296 = 6345^2 + 3464^2 .

It is a cyclic number.

It is not a de Polignac number, because 52258321 - 2¹¹ = 52256273 is a prime.

It is a super-2 number, since 2×52258321² = 5461864227478082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52258321.

It is not a weakly prime, because it can be changed into another prime (52288321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26129160 + 26129161.

It is an arithmetic number, because the mean of its divisors is an integer number (26129161).

Almost surely, 2^52258321 is an apocalyptic number.

It is an amenable number.

52258321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52258321 is an equidigital number, since it uses as much as digits as its factorization.

52258321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 52258321 is about 7228.9917000921. The cubic root of 52258321 is about 373.8681629939.

The spelling of 52258321 in words is "fifty-two million, two hundred fifty-eight thousand, three hundred twenty-one".