52590521 has 2 divisors, whose sum is σ = 52590522. Its totient is φ = 52590520.

The previous prime is 52590497. The next prime is 52590541. The reversal of 52590521 is 12509525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 13402921 = 6260^2 + 3661^2 .

It is a cyclic number.

It is not a de Polignac number, because 52590521 - 2²² = 48396217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52590541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26295260 + 26295261.

It is an arithmetic number, because the mean of its divisors is an integer number (26295261).

Almost surely, 2^52590521 is an apocalyptic number.

It is an amenable number.

52590521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52590521 is an equidigital number, since it uses as much as digits as its factorization.

52590521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 52590521 is about 7251.9322252762. The cubic root of 52590521 is about 374.6587022105.

The spelling of 52590521 in words is "fifty-two million, five hundred ninety thousand, five hundred twenty-one".