25647230 has 64 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 8311680.

The previous prime is 25647229. The next prime is 25647287. The reversal of 25647230 is 3274652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25647193 and 25647202.

It is a congruent number.

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, 114899 + ... + 115121.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^25647230 is an apocalyptic number.

25647230 is an abundant number, since it is smaller than the sum of its proper divisors (30091138).

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

25647230 is a wasteful number, since it uses less digits than its factorization.

25647230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25647230 is about 5064.3094297248. The cubic root of 25647230 is about 294.9036552180.

The spelling of 25647230 in words is "twenty-five million, six hundred forty-seven thousand, two hundred thirty".