25229130 has 64 divisors (see below), whose sum is σ = 64074240. Its totient is φ = 6347264.

The previous prime is 25229123. The next prime is 25229143. The reversal of 25229130 is 3192252.

It is a self number, because there is not a number n which added to its sum of digits gives 25229130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40582 + ... + 41198.

It is an arithmetic number, because the mean of its divisors is an integer number (1001160).

Almost surely, 2^25229130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25229130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32037120).

25229130 is an abundant number, since it is smaller than the sum of its proper divisors (38845110).

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

25229130 is a wasteful number, since it uses less digits than its factorization.

25229130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25229130 is about 5022.8607386628. The cubic root of 25229130 is about 293.2923654333.

The spelling of 25229130 in words is "twenty-five million, two hundred twenty-nine thousand, one hundred thirty".