25518152 has 32 divisors (see below), whose sum is σ = 52557120. Its totient is φ = 11519040.

The previous prime is 25518151. The next prime is 25518167. The reversal of 25518152 is 25181552.

It is not an unprimeable number, because it can be changed into a prime (25518151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12893 + ... + 14739.

It is an arithmetic number, because the mean of its divisors is an integer number (1642410).

Almost surely, 2^25518152 is an apocalyptic number.

25518152 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 25518152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26278560).

25518152 is an abundant number, since it is smaller than the sum of its proper divisors (27038968).

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

25518152 is a wasteful number, since it uses less digits than its factorization.

25518152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2017 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 25518152 is about 5051.5494652631. The cubic root of 25518152 is about 294.4080901703.

The spelling of 25518152 in words is "twenty-five million, five hundred eighteen thousand, one hundred fifty-two".