25427371 has 4 divisors (see below), whose sum is σ = 25806952. Its totient is φ = 25047792.

The previous prime is 25427341. The next prime is 25427387. The reversal of 25427371 is 17372452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25427371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25427321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189690 + ... + 189823.

It is an arithmetic number, because the mean of its divisors is an integer number (6451738).

Almost surely, 2^25427371 is an apocalyptic number.

25427371 is a deficient number, since it is larger than the sum of its proper divisors (379581).

25427371 is an equidigital number, since it uses as much as digits as its factorization.

25427371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379580.

The product of its digits is 11760, while the sum is 31.

The square root of 25427371 is about 5042.5559986975. Note that the first 3 decimals coincide. The cubic root of 25427371 is about 294.0585557546.

The spelling of 25427371 in words is "twenty-five million, four hundred twenty-seven thousand, three hundred seventy-one".