25454572 has 24 divisors (see below), whose sum is σ = 52334352. Its totient is φ = 10680000.

The previous prime is 25454543. The next prime is 25454579. The reversal of 25454572 is 27545452.

It is not an unprimeable number, because it can be changed into a prime (25454579) 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 7 ways as a sum of consecutive naturals, for example, 21679 + ... + 22822.

It is an arithmetic number, because the mean of its divisors is an integer number (2180598).

Almost surely, 2^25454572 is an apocalyptic number.

25454572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25454572 is an abundant number, since it is smaller than the sum of its proper divisors (26879780).

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

25454572 is a wasteful number, since it uses less digits than its factorization.

25454572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44529 (or 44527 counting only the distinct ones).

The product of its digits is 56000, while the sum is 34.

The square root of 25454572 is about 5045.2524218318. The cubic root of 25454572 is about 294.1633750360.

It can be divided in two parts, 2545 and 4572, that added together give a palindrome (7117).

The spelling of 25454572 in words is "twenty-five million, four hundred fifty-four thousand, five hundred seventy-two".