25000052 has 72 divisors (see below), whose sum is σ = 56485632. Its totient is φ = 9472320.

The previous prime is 25000033. The next prime is 25000069.

25000052 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159158 + ... + 159314.

Almost surely, 2^25000052 is an apocalyptic number.

25000052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28242816).

25000052 is an abundant number, since it is smaller than the sum of its proper divisors (31485580).

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

25000052 is a wasteful number, since it uses less digits than its factorization.

25000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 25000052 is about 5000.0051999973. The cubic root of 25000052 is about 292.4019765530.

It can be divided in two parts, 250000 and 52, that added together give a palindrome (250052).

The spelling of 25000052 in words is "twenty-five million, fifty-two", and thus it is an aban number and an uban number.