25023242 has 4 divisors (see below), whose sum is σ = 37534866. Its totient is φ = 12511620.

The previous prime is 25023233. The next prime is 25023253. The reversal of 25023242 is 24232052.

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., 23512801 + 1510441 = 4849^2 + 1229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255809 + ... + 6255812.

Almost surely, 2^25023242 is an apocalyptic number.

25023242 is a deficient number, since it is larger than the sum of its proper divisors (12511624).

25023242 is a wasteful number, since it uses less digits than its factorization.

25023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511623.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25023242 is about 5002.3236600604. The cubic root of 25023242 is about 292.4923591157.

Adding to 25023242 its reverse (24232052), we get a palindrome (49255294).

The spelling of 25023242 in words is "twenty-five million, twenty-three thousand, two hundred forty-two".