25130658 has 64 divisors (see below), whose sum is σ = 61924608. Its totient is φ = 6635520.

The previous prime is 25130653. The next prime is 25130669. The reversal of 25130658 is 85603152.

It is not an unprimeable number, because it can be changed into a prime (25130653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43266 + ... + 43842.

It is an arithmetic number, because the mean of its divisors is an integer number (967572).

Almost surely, 2^25130658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25130658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30962304).

25130658 is an abundant number, since it is smaller than the sum of its proper divisors (36793950).

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

25130658 is a wasteful number, since it uses less digits than its factorization.

25130658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 25130658 is about 5013.0487729524. The cubic root of 25130658 is about 292.9102840479.

The spelling of 25130658 in words is "twenty-five million, one hundred thirty thousand, six hundred fifty-eight".