25631363 has 4 divisors (see below), whose sum is σ = 25652088. Its totient is φ = 25610640.

The previous prime is 25631351. The next prime is 25631387. The reversal of 25631363 is 36313652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25631363 - 2⁸ = 25631107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25631063) 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 in 3 ways as a sum of consecutive naturals, for example, 8381 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (6413022).

Almost surely, 2^25631363 is an apocalyptic number.

25631363 is a deficient number, since it is larger than the sum of its proper divisors (20725).

25631363 is a wasteful number, since it uses less digits than its factorization.

25631363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20724.

The product of its digits is 9720, while the sum is 29.

The square root of 25631363 is about 5062.7426361608. The cubic root of 25631363 is about 294.8428273159.

It can be divided in two parts, 2 and 5631363, that added together give a palindrome (5631365).

The spelling of 25631363 in words is "twenty-five million, six hundred thirty-one thousand, three hundred sixty-three".