25339902 has 32 divisors (see below), whose sum is σ = 58579200. Its totient is φ = 7157568.

The previous prime is 25339891. The next prime is 25339903. The reversal of 25339902 is 20993352.

It is a super-2 number, since 2×25339902² = 1284221266739208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25339903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1830600).

Almost surely, 2^25339902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25339902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29289600).

25339902 is an abundant number, since it is smaller than the sum of its proper divisors (33239298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25339902 is a wasteful number, since it uses less digits than its factorization.

25339902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 25339902 is about 5033.8754454198. The cubic root of 25339902 is about 293.7209856962.

The spelling of 25339902 in words is "twenty-five million, three hundred thirty-nine thousand, nine hundred two".