25412478 has 96 divisors (see below), whose sum is σ = 65308320. Its totient is φ = 6531840.

The previous prime is 25412473. The next prime is 25412531. The reversal of 25412478 is 87421452.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25412473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233088 + ... + 233196.

It is an arithmetic number, because the mean of its divisors is an integer number (680295).

Almost surely, 2^25412478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25412478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32654160).

25412478 is an abundant number, since it is smaller than the sum of its proper divisors (39895842).

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

25412478 is a wasteful number, since it uses less digits than its factorization.

25412478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 195 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 25412478 is about 5041.0790511556. The cubic root of 25412478 is about 294.0011337825.

The spelling of 25412478 in words is "twenty-five million, four hundred twelve thousand, four hundred seventy-eight".