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24631 is a prime number

24631 has 2 divisors, whose sum is σ = 24632. Its totient is φ = 24630.

The previous prime is 24623. The next prime is 24659. The reversal of 24631 is 13642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24631 - 23 = 24623 is a prime.

It is a super-2 number, since 2×246312 = 1213372322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12315 + 12316.

It is an arithmetic number, because the mean of its divisors is an integer number (12316).

224631 is an apocalyptic number.

24631 is a deficient number, since it is larger than the sum of its proper divisors (1).

24631 is an equidigital number, since it uses as much as digits as its factorization.

24631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 24631 is about 156.9426646900. The cubic root of 24631 is about 29.0956020483.

It can be divided in two parts, 246 and 31, that multiplied together give a triangular number (7626 = T123).

The spelling of 24631 in words is "twenty-four thousand, six hundred thirty-one".