25540373 has 16 divisors (see below), whose sum is σ = 27841536. Its totient is φ = 23358720.

The previous prime is 25540369. The next prime is 25540381. The reversal of 25540373 is 37304552.

It is a cyclic number.

It is not a de Polignac number, because 25540373 - 2² = 25540369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25540303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80411 + ... + 80727.

It is an arithmetic number, because the mean of its divisors is an integer number (1740096).

Almost surely, 2^25540373 is an apocalyptic number.

25540373 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25540373 is a deficient number, since it is larger than the sum of its proper divisors (2301163).

25540373 is a wasteful number, since it uses less digits than its factorization.

25540373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 25540373 is about 5053.7484108333. The cubic root of 25540373 is about 294.4935214373.

The spelling of 25540373 in words is "twenty-five million, five hundred forty thousand, three hundred seventy-three".