30325515251 has 2 divisors, whose sum is σ = 30325515252. Its totient is φ = 30325515250.

The previous prime is 30325515217. The next prime is 30325515257. The reversal of 30325515251 is 15251552303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30325515251 is a prime.

It is not a weakly prime, because it can be changed into another prime (30325515257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162757625 + 15162757626.

It is an arithmetic number, because the mean of its divisors is an integer number (15162757626).

Almost surely, 2^30325515251 is an apocalyptic number.

30325515251 is a deficient number, since it is larger than the sum of its proper divisors (1).

30325515251 is an equidigital number, since it uses as much as digits as its factorization.

30325515251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 30325515251 in words is "thirty billion, three hundred twenty-five million, five hundred fifteen thousand, two hundred fifty-one".