25924641 has 4 divisors (see below), whose sum is σ = 34566192. Its totient is φ = 17283092.

The previous prime is 25924627. The next prime is 25924651. The reversal of 25924641 is 14642952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25924641 - 2¹⁰ = 25923617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25924601) 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, 4320771 + ... + 4320776.

It is an arithmetic number, because the mean of its divisors is an integer number (8641548).

Almost surely, 2^25924641 is an apocalyptic number.

It is an amenable number.

25924641 is a deficient number, since it is larger than the sum of its proper divisors (8641551).

25924641 is an equidigital number, since it uses as much as digits as its factorization.

25924641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641550.

The product of its digits is 17280, while the sum is 33.

The square root of 25924641 is about 5091.6245933886. The cubic root of 25924641 is about 295.9631109678.

It can be divided in two parts, 25924 and 641, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 25924641 in words is "twenty-five million, nine hundred twenty-four thousand, six hundred forty-one".