25213898 has 4 divisors (see below), whose sum is σ = 37820850. Its totient is φ = 12606948.

The previous prime is 25213883. The next prime is 25213919. The reversal of 25213898 is 89831252.

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., 18207289 + 7006609 = 4267^2 + 2647^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303473 + ... + 6303476.

Almost surely, 2^25213898 is an apocalyptic number.

25213898 is a deficient number, since it is larger than the sum of its proper divisors (12606952).

25213898 is a wasteful number, since it uses less digits than its factorization.

25213898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606951.

The product of its digits is 34560, while the sum is 38.

The square root of 25213898 is about 5021.3442423319. The cubic root of 25213898 is about 293.2333288001.

The spelling of 25213898 in words is "twenty-five million, two hundred thirteen thousand, eight hundred ninety-eight".