25172466 has 16 divisors (see below), whose sum is σ = 54921888. Its totient is φ = 7628000.

The previous prime is 25172449. The next prime is 25172471. The reversal of 25172466 is 66427152.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon 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, 190635 + ... + 190766.

It is an arithmetic number, because the mean of its divisors is an integer number (3432618).

Almost surely, 2^25172466 is an apocalyptic number.

25172466 is an abundant number, since it is smaller than the sum of its proper divisors (29749422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25172466 is a wasteful number, since it uses less digits than its factorization.

25172466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381417.

The product of its digits is 20160, while the sum is 33.

The square root of 25172466 is about 5017.2169576370. The cubic root of 25172466 is about 293.0726250487.

The spelling of 25172466 in words is "twenty-five million, one hundred seventy-two thousand, four hundred sixty-six".