53251291 has 2 divisors, whose sum is σ = 53251292. Its totient is φ = 53251290.

The previous prime is 53251283. The next prime is 53251301. The reversal of 53251291 is 19215235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53251291 - 2³ = 53251283 is a prime.

It is not a weakly prime, because it can be changed into another prime (53251241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625645 + 26625646.

It is an arithmetic number, because the mean of its divisors is an integer number (26625646).

Almost surely, 2^53251291 is an apocalyptic number.

53251291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53251291 is an equidigital number, since it uses as much as digits as its factorization.

53251291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 28.

The square root of 53251291 is about 7297.3482169895. The cubic root of 53251291 is about 376.2213005191.

The spelling of 53251291 in words is "fifty-three million, two hundred fifty-one thousand, two hundred ninety-one".