1330890251 has 2 divisors, whose sum is σ = 1330890252. Its totient is φ = 1330890250.

The previous prime is 1330890241. The next prime is 1330890269. The reversal of 1330890251 is 1520980331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330890251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1330890221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665445125 + 665445126.

It is an arithmetic number, because the mean of its divisors is an integer number (665445126).

Almost surely, 2^1330890251 is an apocalyptic number.

1330890251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330890251 is an equidigital number, since it uses as much as digits as its factorization.

1330890251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1330890251 is about 36481.3685461497. The cubic root of 1330890251 is about 1099.9697652847.

The spelling of 1330890251 in words is "one billion, three hundred thirty million, eight hundred ninety thousand, two hundred fifty-one".