25752555019 has 2 divisors, whose sum is σ = 25752555020. Its totient is φ = 25752555018.

The previous prime is 25752554987. The next prime is 25752555029. The reversal of 25752555019 is 91055525752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25752555019 - 2⁵ = 25752554987 is a prime.

It is a super-2 number, since 2×25752555019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25752555019.

It is not a weakly prime, because it can be changed into another prime (25752555029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876277509 + 12876277510.

It is an arithmetic number, because the mean of its divisors is an integer number (12876277510).

Almost surely, 2^25752555019 is an apocalyptic number.

25752555019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25752555019 is an equidigital number, since it uses as much as digits as its factorization.

25752555019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 46.

The spelling of 25752555019 in words is "twenty-five billion, seven hundred fifty-two million, five hundred fifty-five thousand, nineteen".