25472671 has 4 divisors (see below), whose sum is σ = 29111632. Its totient is φ = 21833712.

The previous prime is 25472653. The next prime is 25472717. The reversal of 25472671 is 17627452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25472671 - 2⁵ = 25472639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819470 + ... + 1819483.

It is an arithmetic number, because the mean of its divisors is an integer number (7277908).

Almost surely, 2^25472671 is an apocalyptic number.

25472671 is a deficient number, since it is larger than the sum of its proper divisors (3638961).

25472671 is an equidigital number, since it uses as much as digits as its factorization.

25472671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638960.

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

The square root of 25472671 is about 5047.0457695567. The cubic root of 25472671 is about 294.2330783171.

The spelling of 25472671 in words is "twenty-five million, four hundred seventy-two thousand, six hundred seventy-one".