25540367 has 4 divisors (see below), whose sum is σ = 25681656. Its totient is φ = 25399080.

The previous prime is 25540363. The next prime is 25540369. The reversal of 25540367 is 76304552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25540367 - 2² = 25540363 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 (25540363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70373 + ... + 70734.

It is an arithmetic number, because the mean of its divisors is an integer number (6420414).

Almost surely, 2^25540367 is an apocalyptic number.

25540367 is a deficient number, since it is larger than the sum of its proper divisors (141289).

25540367 is a wasteful number, since it uses less digits than its factorization.

25540367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141288.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 25540367 is about 5053.7478172145. The cubic root of 25540367 is about 294.4934983763.

The spelling of 25540367 in words is "twenty-five million, five hundred forty thousand, three hundred sixty-seven".