25265645 has 8 divisors (see below), whose sum is σ = 30348000. Its totient is φ = 20193040.

The previous prime is 25265627. The next prime is 25265657. The reversal of 25265645 is 54656252.

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

It is not a de Polignac number, because 25265645 - 2¹⁴ = 25249261 is a prime.

It is a super-3 number, since 3×25265645³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5810 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (3793500).

Almost surely, 2^25265645 is an apocalyptic number.

It is an amenable number.

25265645 is a deficient number, since it is larger than the sum of its proper divisors (5082355).

25265645 is a wasteful number, since it uses less digits than its factorization.

25265645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875.

The product of its digits is 72000, while the sum is 35.

The square root of 25265645 is about 5026.4943051793. The cubic root of 25265645 is about 293.4337946475.

The spelling of 25265645 in words is "twenty-five million, two hundred sixty-five thousand, six hundred forty-five".