52246531 has 2 divisors, whose sum is σ = 52246532. Its totient is φ = 52246530.

The previous prime is 52246489. The next prime is 52246541. The reversal of 52246531 is 13564225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52246531 - 2¹¹ = 52244483 is a prime.

It is a super-2 number, since 2×52246531² = 5459400003067922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52246531.

It is not a weakly prime, because it can be changed into another prime (52246541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26123265 + 26123266.

It is an arithmetic number, because the mean of its divisors is an integer number (26123266).

Almost surely, 2^52246531 is an apocalyptic number.

52246531 is the 4572-nd centered pentagonal number.

52246531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52246531 is an equidigital number, since it uses as much as digits as its factorization.

52246531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 52246531 is about 7228.1761876700. The cubic root of 52246531 is about 373.8400447467.

The spelling of 52246531 in words is "fifty-two million, two hundred forty-six thousand, five hundred thirty-one".