25112464 has 40 divisors (see below), whose sum is σ = 52800440. Its totient is φ = 11501568.

The previous prime is 25112443. The next prime is 25112491. The reversal of 25112464 is 46421152.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32400 + 25080064 = 180^2 + 5008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32272 + ... + 33040.

It is an arithmetic number, because the mean of its divisors is an integer number (1320011).

Almost surely, 2^25112464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25112464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26400220).

25112464 is an abundant number, since it is smaller than the sum of its proper divisors (27687976).

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

25112464 is a wasteful number, since it uses less digits than its factorization.

25112464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 941 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 25112464 is about 5011.2337802182. The cubic root of 25112464 is about 292.8395802844.

The spelling of 25112464 in words is "twenty-five million, one hundred twelve thousand, four hundred sixty-four".