25247502 has 48 divisors (see below), whose sum is σ = 62979072. Its totient is φ = 7160400.

The previous prime is 25247501. The next prime is 25247503. The reversal of 25247502 is 20574252.

It is an interprime number because it is at equal distance from previous prime (25247501) and next prime (25247503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25247501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18363 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (1312064).

Almost surely, 2^25247502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25247502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31489536).

25247502 is an abundant number, since it is smaller than the sum of its proper divisors (37731570).

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

25247502 is a wasteful number, since it uses less digits than its factorization.

25247502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25247502 is about 5024.6892441225. The cubic root of 25247502 is about 293.3635405646.

The spelling of 25247502 in words is "twenty-five million, two hundred forty-seven thousand, five hundred two".