25320567 has 8 divisors (see below), whose sum is σ = 34925040. Its totient is φ = 16298240.

The previous prime is 25320563. The next prime is 25320569. The reversal of 25320567 is 76502352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320567 - 2² = 25320563 is a prime.

It is a super-2 number, since 2×25320567² = 1282262226402978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320563) 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 7 ways as a sum of consecutive naturals, for example, 145434 + ... + 145607.

It is an arithmetic number, because the mean of its divisors is an integer number (4365630).

Almost surely, 2^25320567 is an apocalyptic number.

25320567 is a deficient number, since it is larger than the sum of its proper divisors (9604473).

25320567 is a wasteful number, since it uses less digits than its factorization.

25320567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291073.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 25320567 is about 5031.9545904151. The cubic root of 25320567 is about 293.6462611202.

The spelling of 25320567 in words is "twenty-five million, three hundred twenty thousand, five hundred sixty-seven".