25147230 has 32 divisors (see below), whose sum is σ = 60486048. Its totient is φ = 6691200.

The previous prime is 25147229. The next prime is 25147249. The reversal of 25147230 is 3274152.

It is a self number, because there is not a number n which added to its sum of digits gives 25147230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24120 + ... + 25140.

It is an arithmetic number, because the mean of its divisors is an integer number (1890189).

Almost surely, 2^25147230 is an apocalyptic number.

25147230 is an abundant number, since it is smaller than the sum of its proper divisors (35338818).

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

25147230 is a wasteful number, since it uses less digits than its factorization.

25147230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25147230 is about 5014.7013869223. The cubic root of 25147230 is about 292.9746548605.

The spelling of 25147230 in words is "twenty-five million, one hundred forty-seven thousand, two hundred thirty".