25319952 has 100 divisors (see below), whose sum is σ = 83782336. Its totient is φ = 7231680.

The previous prime is 25319947. The next prime is 25319969. The reversal of 25319952 is 25991352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7677 + ... + 10467.

Almost surely, 2^25319952 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 25319952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41891168).

25319952 is an abundant number, since it is smaller than the sum of its proper divisors (58462384).

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

25319952 is a wasteful number, since it uses less digits than its factorization.

25319952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2803 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 25319952 is about 5031.8934805896. The cubic root of 25319952 is about 293.6438836864.

The spelling of 25319952 in words is "twenty-five million, three hundred nineteen thousand, nine hundred fifty-two".