25534116 has 30 divisors (see below), whose sum is σ = 66752070. Its totient is φ = 8511264.

The previous prime is 25534109. The next prime is 25534121. The reversal of 25534116 is 61143552.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 12574116 = 3600^2 + 3546^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 25534116.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39081 + ... + 39728.

It is an arithmetic number, because the mean of its divisors is an integer number (2225069).

Almost surely, 2^25534116 is an apocalyptic number.

It is an amenable number.

25534116 is an abundant number, since it is smaller than the sum of its proper divisors (41217954).

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

25534116 is a wasteful number, since it uses less digits than its factorization.

25534116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78825 (or 78814 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25534116 is about 5053.1293274564. The cubic root of 25534116 is about 294.4694706732.

Adding to 25534116 its reverse (61143552), we get a palindrome (86677668).

The spelling of 25534116 in words is "twenty-five million, five hundred thirty-four thousand, one hundred sixteen".