25385406 has 16 divisors (see below), whose sum is σ = 53443200. Its totient is φ = 8016408.

The previous prime is 25385401. The next prime is 25385407. The reversal of 25385406 is 60458352.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385401) 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, 111226 + ... + 111453.

It is an arithmetic number, because the mean of its divisors is an integer number (3340200).

Almost surely, 2^25385406 is an apocalyptic number.

25385406 is an abundant number, since it is smaller than the sum of its proper divisors (28057794).

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

25385406 is a wasteful number, since it uses less digits than its factorization.

25385406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222703.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25385406 is about 5038.3931962482. The cubic root of 25385406 is about 293.8966965491.

The spelling of 25385406 in words is "twenty-five million, three hundred eighty-five thousand, four hundred six".