25455712 has 48 divisors (see below), whose sum is σ = 52641792. Its totient is φ = 12101760.

The previous prime is 25455709. The next prime is 25455713. The reversal of 25455712 is 21755452.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25455713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66273 + ... + 66655.

It is an arithmetic number, because the mean of its divisors is an integer number (1096704).

Almost surely, 2^25455712 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 25455712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26320896).

25455712 is an abundant number, since it is smaller than the sum of its proper divisors (27186080).

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

25455712 is a wasteful number, since it uses less digits than its factorization.

25455712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 25455712 is about 5045.3653980658. The cubic root of 25455712 is about 294.1677664048.

The spelling of 25455712 in words is "twenty-five million, four hundred fifty-five thousand, seven hundred twelve".