25253013719 has 2 divisors, whose sum is σ = 25253013720. Its totient is φ = 25253013718.

The previous prime is 25253013673. The next prime is 25253013763. The reversal of 25253013719 is 91731035252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25253013719 - 2³² = 20958046423 is a prime.

It is a super-2 number, since 2×25253013719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25253013769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626506859 + 12626506860.

It is an arithmetic number, because the mean of its divisors is an integer number (12626506860).

Almost surely, 2^25253013719 is an apocalyptic number.

25253013719 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253013719 is an equidigital number, since it uses as much as digits as its factorization.

25253013719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 25253013719 in words is "twenty-five billion, two hundred fifty-three million, thirteen thousand, seven hundred nineteen".