425653051513 has 2 divisors, whose sum is σ = 425653051514. Its totient is φ = 425653051512.

The previous prime is 425653051469. The next prime is 425653051519. The reversal of 425653051513 is 315150356524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374988443769 + 50664607744 = 612363^2 + 225088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425653051513 is a prime.

It is not a weakly prime, because it can be changed into another prime (425653051519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212826525756 + 212826525757.

It is an arithmetic number, because the mean of its divisors is an integer number (212826525757).

Almost surely, 2^425653051513 is an apocalyptic number.

It is an amenable number.

425653051513 is a deficient number, since it is larger than the sum of its proper divisors (1).

425653051513 is an equidigital number, since it uses as much as digits as its factorization.

425653051513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 425653051513 in words is "four hundred twenty-five billion, six hundred fifty-three million, fifty-one thousand, five hundred thirteen".