25420485 has 16 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 13366080.

The previous prime is 25420477. The next prime is 25420511. The reversal of 25420485 is 58402452.

It is not a de Polignac number, because 25420485 - 2³ = 25420477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10870 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^25420485 is an apocalyptic number.

It is an amenable number.

25420485 is a deficient number, since it is larger than the sum of its proper divisors (15826875).

25420485 is a wasteful number, since it uses less digits than its factorization.

25420485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23948.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 25420485 is about 5041.8731638152. The cubic root of 25420485 is about 294.0320086396.

The spelling of 25420485 in words is "twenty-five million, four hundred twenty thousand, four hundred eighty-five".