250305530513 has 2 divisors, whose sum is σ = 250305530514. Its totient is φ = 250305530512.

The previous prime is 250305530483. The next prime is 250305530561. The reversal of 250305530513 is 315035503052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202542302209 + 47763228304 = 450047^2 + 218548^2 .

It is a cyclic number.

It is not a de Polignac number, because 250305530513 - 2¹² = 250305526417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250305530513.

It is not a weakly prime, because it can be changed into another prime (250305580513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125152765256 + 125152765257.

It is an arithmetic number, because the mean of its divisors is an integer number (125152765257).

Almost surely, 2^250305530513 is an apocalyptic number.

It is an amenable number.

250305530513 is a deficient number, since it is larger than the sum of its proper divisors (1).

250305530513 is an equidigital number, since it uses as much as digits as its factorization.

250305530513 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 32.

The spelling of 250305530513 in words is "two hundred fifty billion, three hundred five million, five hundred thirty thousand, five hundred thirteen".