25239122 has 8 divisors (see below), whose sum is σ = 38057472. Its totient is φ = 12553300.

The previous prime is 25239121. The next prime is 25239161. The reversal of 25239122 is 22193252.

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

It is a junction number, because it is equal to n+sod(n) for n = 25239091 and 25239100.

It is not an unprimeable number, because it can be changed into a prime (25239121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32654 + ... + 33417.

It is an arithmetic number, because the mean of its divisors is an integer number (4757184).

Almost surely, 2^25239122 is an apocalyptic number.

25239122 is a deficient number, since it is larger than the sum of its proper divisors (12818350).

25239122 is a wasteful number, since it uses less digits than its factorization.

25239122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66264.

The product of its digits is 2160, while the sum is 26.

The square root of 25239122 is about 5023.8552925020. The cubic root of 25239122 is about 293.3310798151.

The spelling of 25239122 in words is "twenty-five million, two hundred thirty-nine thousand, one hundred twenty-two".