25342902 has 48 divisors (see below), whose sum is σ = 61004880. Its totient is φ = 7795008.

The previous prime is 25342901. The next prime is 25342909. The reversal of 25342902 is 20924352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7738 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (1270935).

Almost surely, 2^25342902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25342902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30502440).

25342902 is an abundant number, since it is smaller than the sum of its proper divisors (35661978).

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

25342902 is a wasteful number, since it uses less digits than its factorization.

25342902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25342902 is about 5034.1734177519. The cubic root of 25342902 is about 293.7325764828.

It can be divided in two parts, 25342 and 902, that added together give a square (26244 = 162²).

The spelling of 25342902 in words is "twenty-five million, three hundred forty-two thousand, nine hundred two".