25675631 has 8 divisors (see below), whose sum is σ = 27095280. Its totient is φ = 24262848.

The previous prime is 25675619. The next prime is 25675649. The reversal of 25675631 is 13657652.

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

It is not a de Polignac number, because 25675631 - 2¹⁴ = 25659247 is a prime.

It is a super-2 number, since 2×25675631² = 1318476054496322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25675591 and 25675600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25675651) 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, 7205 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (3386910).

Almost surely, 2^25675631 is an apocalyptic number.

25675631 is a deficient number, since it is larger than the sum of its proper divisors (1419649).

25675631 is a wasteful number, since it uses less digits than its factorization.

25675631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its digits is 37800, while the sum is 35.

The square root of 25675631 is about 5067.1126887015. The cubic root of 25675631 is about 295.0124709848.

The spelling of 25675631 in words is "twenty-five million, six hundred seventy-five thousand, six hundred thirty-one".