1330220251 has 2 divisors, whose sum is σ = 1330220252. Its totient is φ = 1330220250.

The previous prime is 1330220231. The next prime is 1330220257. The reversal of 1330220251 is 1520220331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330220251 - 2⁷ = 1330220123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330220257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665110125 + 665110126.

It is an arithmetic number, because the mean of its divisors is an integer number (665110126).

Almost surely, 2^1330220251 is an apocalyptic number.

1330220251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330220251 is an equidigital number, since it uses as much as digits as its factorization.

1330220251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1330220251 is about 36472.1846206119. The cubic root of 1330220251 is about 1099.7851511520.

Adding to 1330220251 its reverse (1520220331), we get a palindrome (2850440582).

The spelling of 1330220251 in words is "one billion, three hundred thirty million, two hundred twenty thousand, two hundred fifty-one".