25478862 has 16 divisors (see below), whose sum is σ = 51012480. Its totient is φ = 8483832.

The previous prime is 25478861. The next prime is 25478863. The reversal of 25478862 is 26887452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25478861) and next prime (25478863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25478861) 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, 6189 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (3188280).

Almost surely, 2^25478862 is an apocalyptic number.

25478862 is an abundant number, since it is smaller than the sum of its proper divisors (25533618).

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

25478862 is a wasteful number, since it uses less digits than its factorization.

25478862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its digits is 215040, while the sum is 42.

The square root of 25478862 is about 5047.6590613868. The cubic root of 25478862 is about 294.2569136585.

The spelling of 25478862 in words is "twenty-five million, four hundred seventy-eight thousand, eight hundred sixty-two".