250351135513 has 2 divisors, whose sum is σ = 250351135514. Its totient is φ = 250351135512.

The previous prime is 250351135481. The next prime is 250351135519. The reversal of 250351135513 is 315531153052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219035232144 + 31315903369 = 468012^2 + 176963^2 .

It is a cyclic number.

It is not a de Polignac number, because 250351135513 - 2⁵ = 250351135481 is a prime.

It is not a weakly prime, because it can be changed into another prime (250351135519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125175567756 + 125175567757.

It is an arithmetic number, because the mean of its divisors is an integer number (125175567757).

Almost surely, 2^250351135513 is an apocalyptic number.

It is an amenable number.

250351135513 is a deficient number, since it is larger than the sum of its proper divisors (1).

250351135513 is an equidigital number, since it uses as much as digits as its factorization.

250351135513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 34.

Adding to 250351135513 its reverse (315531153052), we get a palindrome (565882288565).

The spelling of 250351135513 in words is "two hundred fifty billion, three hundred fifty-one million, one hundred thirty-five thousand, five hundred thirteen".