25201456 has 40 divisors (see below), whose sum is σ = 56496384. Its totient is φ = 10666560.

The previous prime is 25201439. The next prime is 25201457. The reversal of 25201456 is 65410252.

It is a super-2 number, since 2×25201456² = 1270226769039872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25201456.

It is not an unprimeable number, because it can be changed into a prime (25201457) 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, 7941 + ... + 10651.

Almost surely, 2^25201456 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 25201456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28248192).

25201456 is an abundant number, since it is smaller than the sum of its proper divisors (31294928).

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

25201456 is a wasteful number, since it uses less digits than its factorization.

25201456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25201456 is about 5020.1051781810. The cubic root of 25201456 is about 293.1850880858.

The spelling of 25201456 in words is "twenty-five million, two hundred one thousand, four hundred fifty-six".