1049965313 has 2 divisors, whose sum is σ = 1049965314. Its totient is φ = 1049965312.

The previous prime is 1049965309. The next prime is 1049965331. The reversal of 1049965313 is 3135699401.

1049965313 = 22912² + 22913².

Together with next prime (1049965331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525005569 + 524959744 = 22913^2 + 22912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049965313 - 2² = 1049965309 is a prime.

It is a super-2 number, since 2×1049965313² = 2204854317006375938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049965513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524982656 + 524982657.

It is an arithmetic number, because the mean of its divisors is an integer number (524982657).

Almost surely, 2^1049965313 is an apocalyptic number.

1049965313 is the 22913-rd centered square number.

It is an amenable number.

1049965313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049965313 is an equidigital number, since it uses as much as digits as its factorization.

1049965313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1049965313 is about 32403.1682555888. The cubic root of 1049965313 is about 1016.3851643931.

The spelling of 1049965313 in words is "one billion, forty-nine million, nine hundred sixty-five thousand, three hundred thirteen".