25672501 has 8 divisors (see below), whose sum is σ = 25956864. Its totient is φ = 25390080.

The previous prime is 25672469. The next prime is 25672523. The reversal of 25672501 is 10527652.

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 25672501 - 2⁵ = 25672469 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25672501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672571) 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, 48826 + ... + 49348.

It is an arithmetic number, because the mean of its divisors is an integer number (3244608).

Almost surely, 2^25672501 is an apocalyptic number.

It is an amenable number.

25672501 is a deficient number, since it is larger than the sum of its proper divisors (284363).

25672501 is a wasteful number, since it uses less digits than its factorization.

25672501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25672501 is about 5066.8038248979. The cubic root of 25672501 is about 295.0004826191. Note that the first 3 decimals are identical.

The spelling of 25672501 in words is "twenty-five million, six hundred seventy-two thousand, five hundred one".