25024631 has 2 divisors, whose sum is σ = 25024632. Its totient is φ = 25024630.

The previous prime is 25024613. The next prime is 25024679. The reversal of 25024631 is 13642052.

Together with previous prime (25024613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25024631 is a prime.

It is a super-2 number, since 2×25024631² = 1252464313372322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25024597 and 25024606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25024331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512315 + 12512316.

It is an arithmetic number, because the mean of its divisors is an integer number (12512316).

Almost surely, 2^25024631 is an apocalyptic number.

25024631 is a deficient number, since it is larger than the sum of its proper divisors (1).

25024631 is an equidigital number, since it uses as much as digits as its factorization.

25024631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25024631 is about 5002.4624936125. The cubic root of 25024631 is about 292.4977709427.

Adding to 25024631 its reverse (13642052), we get a palindrome (38666683).

The spelling of 25024631 in words is "twenty-five million, twenty-four thousand, six hundred thirty-one".