25460609 has 8 divisors (see below), whose sum is σ = 26687232. Its totient is φ = 24244000.

The previous prime is 25460599. The next prime is 25460621. The reversal of 25460609 is 90606452.

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

It is a cyclic number.

It is not a de Polignac number, because 25460609 - 2²⁴ = 8683393 is a prime.

It is a super-2 number, since 2×25460609² = 1296485221301762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25460009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984 + ... + 7734.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904).

Almost surely, 2^25460609 is an apocalyptic number.

It is an amenable number.

25460609 is a deficient number, since it is larger than the sum of its proper divisors (1226623).

25460609 is a wasteful number, since it uses less digits than its factorization.

25460609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25460609 is about 5045.8506715915. The cubic root of 25460609 is about 294.1866285392.

The spelling of 25460609 in words is "twenty-five million, four hundred sixty thousand, six hundred nine".