25745723 has 2 divisors, whose sum is σ = 25745724. Its totient is φ = 25745722.

The previous prime is 25745711. The next prime is 25745737. The reversal of 25745723 is 32754752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25745723 - 2¹⁴ = 25729339 is a prime.

It is not a weakly prime, because it can be changed into another prime (25745743) 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 as a sum of consecutive naturals, namely, 12872861 + 12872862.

It is an arithmetic number, because the mean of its divisors is an integer number (12872862).

Almost surely, 2^25745723 is an apocalyptic number.

25745723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25745723 is an equidigital number, since it uses as much as digits as its factorization.

25745723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 35.

The square root of 25745723 is about 5074.0243397130. The cubic root of 25745723 is about 295.2806789505.

The spelling of 25745723 in words is "twenty-five million, seven hundred forty-five thousand, seven hundred twenty-three".