25613064 has 96 divisors (see below), whose sum is σ = 75852000. Its totient is φ = 7985952.

The previous prime is 25613059. The next prime is 25613131. The reversal of 25613064 is 46031652.

It is a super-4 number, since 4×25613064⁴ (a number of 31 digits) contains 4444 as substring.

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

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, 324177 + ... + 324255.

It is an arithmetic number, because the mean of its divisors is an integer number (790125).

Almost surely, 2^25613064 is an apocalyptic number.

25613064 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 25613064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37926000).

25613064 is an abundant number, since it is smaller than the sum of its proper divisors (50238936).

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

25613064 is a wasteful number, since it uses less digits than its factorization.

25613064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25613064 is about 5060.9350914628. The cubic root of 25613064 is about 294.7726448944.

It can be divided in two parts, 2561 and 3064, that added together give a square (5625 = 75²).

The spelling of 25613064 in words is "twenty-five million, six hundred thirteen thousand, sixty-four".