25265250 has 128 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 6350400.

The previous prime is 25265243. The next prime is 25265257. The reversal of 25265250 is 5256252.

25265250 is a `hidden beast` number, since 2 + 5 + 2 + 652 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (25265243) and next prime (25265257).

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 (25265257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128152 + ... + 128348.

It is an arithmetic number, because the mean of its divisors is an integer number (579150).

Almost surely, 2^25265250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25265250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37065600).

25265250 is an abundant number, since it is smaller than the sum of its proper divisors (48865950).

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

25265250 is a wasteful number, since it uses less digits than its factorization.

25265250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 25265250 is about 5026.4550132275. The cubic root of 25265250 is about 293.4322654702.

It can be divided in two parts, 2526 and 5250, that added together give a 5-th power (7776 = 6⁵).

The spelling of 25265250 in words is "twenty-five million, two hundred sixty-five thousand, two hundred fifty".