25485264 has 120 divisors (see below), whose sum is σ = 82560192. Its totient is φ = 7188480.

The previous prime is 25485263. The next prime is 25485269. The reversal of 25485264 is 46258452.

It is a happy number.

25485264 is a `hidden beast` number, since 2 + 548 + 52 + 64 = 666.

It is a super-2 number, since 2×25485264² = 1298997362299392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131952 + ... + 132144.

Almost surely, 2^25485264 is an apocalyptic number.

25485264 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 25485264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41280096).

25485264 is an abundant number, since it is smaller than the sum of its proper divisors (57074928).

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

25485264 is a wasteful number, since it uses less digits than its factorization.

25485264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 336 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 25485264 is about 5048.2931769064. The cubic root of 25485264 is about 294.2815572893.

The spelling of 25485264 in words is "twenty-five million, four hundred eighty-five thousand, two hundred sixty-four".