25140573 has 12 divisors (see below), whose sum is σ = 36416380. Its totient is φ = 16713216.

The previous prime is 25140527. The next prime is 25140589. The reversal of 25140573 is 37504152.

It is a happy number.

25140573 is a `hidden beast` number, since 2 + 51 + 40 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13155129 + 11985444 = 3627^2 + 3462^2 .

It is not a de Polignac number, because 25140573 - 2⁸ = 25140317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25141573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388 + ... + 7101.

Almost surely, 2^25140573 is an apocalyptic number.

It is an amenable number.

25140573 is a deficient number, since it is larger than the sum of its proper divisors (11275807).

25140573 is a wasteful number, since it uses less digits than its factorization.

25140573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868 (or 7865 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 25140573 is about 5014.0375945938. The cubic root of 25140573 is about 292.9488003973.

The spelling of 25140573 in words is "twenty-five million, one hundred forty thousand, five hundred seventy-three".