25252170 has 32 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 6623040.

The previous prime is 25252147. The next prime is 25252181. The reversal of 25252170 is 7125252.

It is a self number, because there is not a number n which added to its sum of digits gives 25252170.

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, 5070 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (1925100).

Almost surely, 2^25252170 is an apocalyptic number.

25252170 is an abundant number, since it is smaller than the sum of its proper divisors (36351030).

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

25252170 is a wasteful number, since it uses less digits than its factorization.

25252170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 25252170 is about 5025.1537289918. The cubic root of 25252170 is about 293.3816194042.

The spelling of 25252170 in words is "twenty-five million, two hundred fifty-two thousand, one hundred seventy".