532686631 has 2 divisors, whose sum is σ = 532686632. Its totient is φ = 532686630.

The previous prime is 532686611. The next prime is 532686643. The reversal of 532686631 is 136686235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 532686631 - 2¹¹ = 532684583 is a prime.

It is a super-2 number, since 2×532686631² = 567510093692260322, which contains 22 as substring.

It is equal to p_27984343 and since 532686631 and 27984343 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532686611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266343315 + 266343316.

It is an arithmetic number, because the mean of its divisors is an integer number (266343316).

Almost surely, 2^532686631 is an apocalyptic number.

532686631 is a deficient number, since it is larger than the sum of its proper divisors (1).

532686631 is an equidigital number, since it uses as much as digits as its factorization.

532686631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 532686631 is about 23080.0050043322. The cubic root of 532686631 is about 810.6323523164.

The spelling of 532686631 in words is "five hundred thirty-two million, six hundred eighty-six thousand, six hundred thirty-one".