1330256051 has 4 divisors (see below), whose sum is σ = 1330342104. Its totient is φ = 1330170000.

The previous prime is 1330256047. The next prime is 1330256099. The reversal of 1330256051 is 1506520331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1330256051 - 2² = 1330256047 is a prime.

It is a super-2 number, since 2×1330256051² = 3539162322444229202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330256051.

It is not an unprimeable number, because it can be changed into a prime (1330256251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12725 + ... + 53126.

It is an arithmetic number, because the mean of its divisors is an integer number (332585526).

Almost surely, 2^1330256051 is an apocalyptic number.

1330256051 is a deficient number, since it is larger than the sum of its proper divisors (86053).

1330256051 is an equidigital number, since it uses as much as digits as its factorization.

1330256051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86052.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1330256051 is about 36472.6754022789. The cubic root of 1330256051 is about 1099.7950171761.

Adding to 1330256051 its reverse (1506520331), we get a palindrome (2836776382).

The spelling of 1330256051 in words is "one billion, three hundred thirty million, two hundred fifty-six thousand, fifty-one".