25542367 has 4 divisors (see below), whose sum is σ = 25743616. Its totient is φ = 25341120.

The previous prime is 25542329. The next prime is 25542371. The reversal of 25542367 is 76324552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25542367 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 (25542967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100434 + ... + 100687.

It is an arithmetic number, because the mean of its divisors is an integer number (6435904).

Almost surely, 2^25542367 is an apocalyptic number.

25542367 is a deficient number, since it is larger than the sum of its proper divisors (201249).

25542367 is a wasteful number, since it uses less digits than its factorization.

25542367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201248.

The product of its digits is 50400, while the sum is 34.

The square root of 25542367 is about 5053.9456862930. The cubic root of 25542367 is about 294.5011851834.

The spelling of 25542367 in words is "twenty-five million, five hundred forty-two thousand, three hundred sixty-seven".