25313353894971 has 24 divisors (see below), whose sum is σ = 36678824342160. Its totient is φ = 16822508219136.

The previous prime is 25313353894957. The next prime is 25313353894991. The reversal of 25313353894971 is 17949835331352.

It is a happy number.

25313353894971 is a `hidden beast` number, since 2 + 5 + 3 + 1 + 3 + 3 + 538 + 9 + 4 + 97 + 1 = 666.

It is not a de Polignac number, because 25313353894971 - 2¹¹ = 25313353892923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25313353894899 and 25313353894908.

It is not an unprimeable number, because it can be changed into a prime (25313353894991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2843271 + ... + 7662303.

It is an arithmetic number, because the mean of its divisors is an integer number (1528284347590).

Almost surely, 2^{25313353894971} is an apocalyptic number.

25313353894971 is a deficient number, since it is larger than the sum of its proper divisors (11365470447189).

25313353894971 is a wasteful number, since it uses less digits than its factorization.

25313353894971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820875 (or 4820872 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 63.

The spelling of 25313353894971 in words is "twenty-five trillion, three hundred thirteen billion, three hundred fifty-three million, eight hundred ninety-four thousand, nine hundred seventy-one".