25074427 has 6 divisors (see below), whose sum is σ = 29168268. Its totient is φ = 21492324.

The previous prime is 25074397. The next prime is 25074437. The reversal of 25074427 is 72447052.

It is a de Polignac number, because none of the positive numbers 2^k-25074427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25074437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255813 + ... + 255910.

It is an arithmetic number, because the mean of its divisors is an integer number (4861378).

Almost surely, 2^25074427 is an apocalyptic number.

25074427 is a deficient number, since it is larger than the sum of its proper divisors (4093841).

25074427 is an equidigital number, since it uses as much as digits as its factorization.

25074427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511737 (or 511730 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 25074427 is about 5007.4371688519. The cubic root of 25074427 is about 292.6916541699.

The spelling of 25074427 in words is "twenty-five million, seventy-four thousand, four hundred twenty-seven".