52261291 has 2 divisors, whose sum is σ = 52261292. Its totient is φ = 52261290.

The previous prime is 52261283. The next prime is 52261301. The reversal of 52261291 is 19216225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52261291 - 2³ = 52261283 is a prime.

It is not a weakly prime, because it can be changed into another prime (52261591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26130645 + 26130646.

It is an arithmetic number, because the mean of its divisors is an integer number (26130646).

Almost surely, 2^52261291 is an apocalyptic number.

52261291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52261291 is an equidigital number, since it uses as much as digits as its factorization.

52261291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 52261291 is about 7229.1971200127. The cubic root of 52261291 is about 373.8752455496.

The spelling of 52261291 in words is "fifty-two million, two hundred sixty-one thousand, two hundred ninety-one".