25032631 has 8 divisors (see below), whose sum is σ = 27401024. Its totient is φ = 22727520.

The previous prime is 25032617. The next prime is 25032647. The reversal of 25032631 is 13623052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25032631 - 2¹¹ = 25030583 is a prime.

It is a super-2 number, since 2×25032631² = 1253265229564322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25032661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14991 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (3425128).

Almost surely, 2^25032631 is an apocalyptic number.

25032631 is a deficient number, since it is larger than the sum of its proper divisors (2368393).

25032631 is a wasteful number, since it uses less digits than its factorization.

25032631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31641.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25032631 is about 5003.2620359122. The cubic root of 25032631 is about 292.5289366751.

Adding to 25032631 its reverse (13623052), we get a palindrome (38655683).

The spelling of 25032631 in words is "twenty-five million, thirty-two thousand, six hundred thirty-one".