25938005 has 16 divisors (see below), whose sum is σ = 33145200. Its totient is φ = 19418112.

The previous prime is 25938001. The next prime is 25938013. The reversal of 25938005 is 50083952.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2502724 + 23435281 = 1582^2 + 4841^2 .

It is a cyclic number.

It is not a de Polignac number, because 25938005 - 2² = 25938001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25938001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15971 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (2071575).

Almost surely, 2^25938005 is an apocalyptic number.

It is an amenable number.

25938005 is a deficient number, since it is larger than the sum of its proper divisors (7207195).

25938005 is a wasteful number, since it uses less digits than its factorization.

25938005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 25938005 is about 5092.9367755746. The cubic root of 25938005 is about 296.0139579795.

The spelling of 25938005 in words is "twenty-five million, nine hundred thirty-eight thousand, five".