2525165464873 has 2 divisors, whose sum is σ = 2525165464874. Its totient is φ = 2525165464872.

The previous prime is 2525165464841. The next prime is 2525165465077. The reversal of 2525165464873 is 3784645615252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2463258053529 + 61907411344 = 1569477^2 + 248812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525165464873 - 2⁵ = 2525165464841 is a prime.

It is a super-2 number, since 2×2525165464873² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2525165414873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262582732436 + 1262582732437.

It is an arithmetic number, because the mean of its divisors is an integer number (1262582732437).

Almost surely, 2^{2525165464873} is an apocalyptic number.

It is an amenable number.

2525165464873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525165464873 is an equidigital number, since it uses as much as digits as its factorization.

2525165464873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384000, while the sum is 58.

The spelling of 2525165464873 in words is "two trillion, five hundred twenty-five billion, one hundred sixty-five million, four hundred sixty-four thousand, eight hundred seventy-three".