25722527 has 4 divisors (see below), whose sum is σ = 25732896. Its totient is φ = 25712160.

The previous prime is 25722517. The next prime is 25722551. The reversal of 25722527 is 72522752.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25722527 - 2⁸ = 25722271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25722493 and 25722502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25722517) 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, 983 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (6433224).

Almost surely, 2^25722527 is an apocalyptic number.

25722527 is a deficient number, since it is larger than the sum of its proper divisors (10369).

25722527 is an equidigital number, since it uses as much as digits as its factorization.

25722527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368.

The product of its digits is 19600, while the sum is 32.

The square root of 25722527 is about 5071.7380650030. The cubic root of 25722527 is about 295.1919731013.

The spelling of 25722527 in words is "twenty-five million, seven hundred twenty-two thousand, five hundred twenty-seven".