52580389 has 2 divisors, whose sum is σ = 52580390. Its totient is φ = 52580388.

The previous prime is 52580383. The next prime is 52580419. The reversal of 52580389 is 98308525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 4389025 = 6942^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 52580389 - 2⁷ = 52580261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52580383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290194 + 26290195.

It is an arithmetic number, because the mean of its divisors is an integer number (26290195).

Almost surely, 2^52580389 is an apocalyptic number.

It is an amenable number.

52580389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52580389 is an equidigital number, since it uses as much as digits as its factorization.

52580389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 52580389 is about 7251.2336191851. The cubic root of 52580389 is about 374.6346402965.

The spelling of 52580389 in words is "fifty-two million, five hundred eighty thousand, three hundred eighty-nine".