25913454 has 48 divisors (see below), whose sum is σ = 63475200. Its totient is φ = 7012656.

The previous prime is 25913441. The next prime is 25913519. The reversal of 25913454 is 45431952.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 3267 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (1322400).

Almost surely, 2^25913454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25913454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31737600).

25913454 is an abundant number, since it is smaller than the sum of its proper divisors (37561746).

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

25913454 is a wasteful number, since it uses less digits than its factorization.

25913454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677 (or 4670 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 25913454 is about 5090.5259060337. The cubic root of 25913454 is about 295.9205335131.

The spelling of 25913454 in words is "twenty-five million, nine hundred thirteen thousand, four hundred fifty-four".