25115064 has 64 divisors (see below), whose sum is σ = 68372640. Its totient is φ = 7641600.

The previous prime is 25115063. The next prime is 25115071. The reversal of 25115064 is 46051152.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31114 + ... + 31910.

Almost surely, 2^25115064 is an apocalyptic number.

25115064 is a gapful number since it is divisible by the number (24) 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 25115064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34186320).

25115064 is an abundant number, since it is smaller than the sum of its proper divisors (43257576).

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

25115064 is a wasteful number, since it uses less digits than its factorization.

25115064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 25115064 is about 5011.4931906569. The cubic root of 25115064 is about 292.8496862440.

The spelling of 25115064 in words is "twenty-five million, one hundred fifteen thousand, sixty-four".