1253501313025 has 24 divisors (see below), whose sum is σ = 1676159593920. Its totient is φ = 924416485440.

The previous prime is 1253501313019. The next prime is 1253501313073. The reversal of 1253501313025 is 5203131053521.

It is not a de Polignac number, because 1253501313025 - 2³ = 1253501313017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2354035 + ... + 2836984.

It is an arithmetic number, because the mean of its divisors is an integer number (69839983080).

Almost surely, 2^{1253501313025} is an apocalyptic number.

It is an amenable number.

1253501313025 is a deficient number, since it is larger than the sum of its proper divisors (422658280895).

1253501313025 is a wasteful number, since it uses less digits than its factorization.

1253501313025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191785 (or 5191780 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 1253501313025 its reverse (5203131053521), we get a palindrome (6456632366546).

The spelling of 1253501313025 in words is "one trillion, two hundred fifty-three billion, five hundred one million, three hundred thirteen thousand, twenty-five".