25452870 has 16 divisors (see below), whose sum is σ = 61086960. Its totient is φ = 6787424.

The previous prime is 25452857. The next prime is 25452871. The reversal of 25452870 is 7825452.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25452871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424185 + ... + 424244.

It is an arithmetic number, because the mean of its divisors is an integer number (3817935).

Almost surely, 2^25452870 is an apocalyptic number.

25452870 is an abundant number, since it is smaller than the sum of its proper divisors (35634090).

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

25452870 is a wasteful number, since it uses less digits than its factorization.

25452870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848439.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 25452870 is about 5045.0837455884. The cubic root of 25452870 is about 294.1568185553.

The spelling of 25452870 in words is "twenty-five million, four hundred fifty-two thousand, eight hundred seventy".