25025041476493 has 2 divisors, whose sum is σ = 25025041476494. Its totient is φ = 25025041476492.

The previous prime is 25025041476437. The next prime is 25025041476511. The reversal of 25025041476493 is 39467414052052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24249932034084 + 775109442409 = 4924422^2 + 880403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25025041476493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25025041476493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025041476403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512520738246 + 12512520738247.

It is an arithmetic number, because the mean of its divisors is an integer number (12512520738247).

Almost surely, 2^{25025041476493} is an apocalyptic number.

It is an amenable number.

25025041476493 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025041476493 is an equidigital number, since it uses as much as digits as its factorization.

25025041476493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 25025041476493 in words is "twenty-five trillion, twenty-five billion, forty-one million, four hundred seventy-six thousand, four hundred ninety-three".