25172467 has 4 divisors (see below), whose sum is σ = 25182520. Its totient is φ = 25162416.

The previous prime is 25172449. The next prime is 25172471. The reversal of 25172467 is 76427152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25172467 - 2⁷ = 25172339 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25172417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (6295630).

Almost surely, 2^25172467 is an apocalyptic number.

25172467 is a deficient number, since it is larger than the sum of its proper divisors (10053).

25172467 is an equidigital number, since it uses as much as digits as its factorization.

25172467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052.

The product of its digits is 23520, while the sum is 34.

The square root of 25172467 is about 5017.2170572938. The cubic root of 25172467 is about 293.0726289296.

The spelling of 25172467 in words is "twenty-five million, one hundred seventy-two thousand, four hundred sixty-seven".