25136468 has 48 divisors (see below), whose sum is σ = 54391680. Its totient is φ = 9922176.

The previous prime is 25136459. The next prime is 25136473. The reversal of 25136468 is 86463152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19046 + ... + 20322.

It is an arithmetic number, because the mean of its divisors is an integer number (1133160).

Almost surely, 2^25136468 is an apocalyptic number.

25136468 is a gapful number since it is divisible by the number (28) 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 25136468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27195840).

25136468 is an abundant number, since it is smaller than the sum of its proper divisors (29255212).

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

25136468 is a wasteful number, since it uses less digits than its factorization.

25136468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 25136468 is about 5013.6282271425. The cubic root of 25136468 is about 292.9328551192.

The spelling of 25136468 in words is "twenty-five million, one hundred thirty-six thousand, four hundred sixty-eight".