52585391 has 2 divisors, whose sum is σ = 52585392. Its totient is φ = 52585390.

The previous prime is 52585373. The next prime is 52585417. The reversal of 52585391 is 19358525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52585391 - 2⁶ = 52585327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52585361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26292695 + 26292696.

It is an arithmetic number, because the mean of its divisors is an integer number (26292696).

Almost surely, 2^52585391 is an apocalyptic number.

52585391 is a deficient number, since it is larger than the sum of its proper divisors (1).

52585391 is an equidigital number, since it uses as much as digits as its factorization.

52585391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 38.

The square root of 52585391 is about 7251.5785178125. The cubic root of 52585391 is about 374.6465196498.

The spelling of 52585391 in words is "fifty-two million, five hundred eighty-five thousand, three hundred ninety-one".