25432634 has 4 divisors (see below), whose sum is σ = 38148954. Its totient is φ = 12716316.

The previous prime is 25432619. The next prime is 25432699. The reversal of 25432634 is 43623452.

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

It can be written as a sum of positive squares in only one way, i.e., 23980609 + 1452025 = 4897^2 + 1205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25432597 and 25432606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358157 + ... + 6358160.

Almost surely, 2^25432634 is an apocalyptic number.

25432634 is a deficient number, since it is larger than the sum of its proper divisors (12716320).

25432634 is a wasteful number, since it uses less digits than its factorization.

25432634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716319.

The product of its digits is 17280, while the sum is 29.

The square root of 25432634 is about 5043.0778300558. The cubic root of 25432634 is about 294.0788425998.

The spelling of 25432634 in words is "twenty-five million, four hundred thirty-two thousand, six hundred thirty-four".