25042392 has 64 divisors (see below), whose sum is σ = 70041600. Its totient is φ = 8290080.

The previous prime is 25042351. The next prime is 25042403. The reversal of 25042392 is 29324052.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40953 + ... + 41559.

It is an arithmetic number, because the mean of its divisors is an integer number (1094400).

Almost surely, 2^25042392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25042392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35020800).

25042392 is an abundant number, since it is smaller than the sum of its proper divisors (44999208).

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

25042392 is a wasteful number, since it uses less digits than its factorization.

25042392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 803 counting only the distinct ones).

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

The square root of 25042392 is about 5004.2374044404. The cubic root of 25042392 is about 292.5669537723.

The spelling of 25042392 in words is "twenty-five million, forty-two thousand, three hundred ninety-two".