25525723 has 2 divisors, whose sum is σ = 25525724. Its totient is φ = 25525722.

The previous prime is 25525693. The next prime is 25525733. The reversal of 25525723 is 32752552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25525723 - 2²¹ = 23428571 is a prime.

It is not a weakly prime, because it can be changed into another prime (25525733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762861 + 12762862.

It is an arithmetic number, because the mean of its divisors is an integer number (12762862).

Almost surely, 2^25525723 is an apocalyptic number.

25525723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25525723 is an equidigital number, since it uses as much as digits as its factorization.

25525723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 31.

The square root of 25525723 is about 5052.2987837221. The cubic root of 25525723 is about 294.4372033450.

The spelling of 25525723 in words is "twenty-five million, five hundred twenty-five thousand, seven hundred twenty-three".