25652719 has 2 divisors, whose sum is σ = 25652720. Its totient is φ = 25652718.

The previous prime is 25652707. The next prime is 25652723. The reversal of 25652719 is 91725652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25652719 - 2¹⁷ = 25521647 is a prime.

It is a super-2 number, since 2×25652719² = 1316123984185922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25652119) 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 as a sum of consecutive naturals, namely, 12826359 + 12826360.

It is an arithmetic number, because the mean of its divisors is an integer number (12826360).

Almost surely, 2^25652719 is an apocalyptic number.

25652719 is a deficient number, since it is larger than the sum of its proper divisors (1).

25652719 is an equidigital number, since it uses as much as digits as its factorization.

25652719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 25652719 is about 5064.8513304933. The cubic root of 25652719 is about 294.9246920668.

It can be divided in two parts, 256 and 52719, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 25652719 in words is "twenty-five million, six hundred fifty-two thousand, seven hundred nineteen".