25492329 has 12 divisors (see below), whose sum is σ = 37113856. Its totient is φ = 16860312.

The previous prime is 25492321. The next prime is 25492331. The reversal of 25492329 is 92329452.

It is not a de Polignac number, because 25492329 - 2³ = 25492321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25492293 and 25492302.

It is not an unprimeable number, because it can be changed into a prime (25492321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10009 + ... + 12294.

Almost surely, 2^25492329 is an apocalyptic number.

It is an amenable number.

25492329 is a deficient number, since it is larger than the sum of its proper divisors (11621527).

25492329 is a wasteful number, since it uses less digits than its factorization.

25492329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22436 (or 22433 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25492329 is about 5048.9928698702. The cubic root of 25492329 is about 294.3087482588.

The spelling of 25492329 in words is "twenty-five million, four hundred ninety-two thousand, three hundred twenty-nine".