1345349053 has 2 divisors, whose sum is σ = 1345349054. Its totient is φ = 1345349052.

The previous prime is 1345349029. The next prime is 1345349069. The reversal of 1345349053 is 3509435431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240941529 + 104407524 = 35227^2 + 10218^2 .

It is an emirp because it is prime and its reverse (3509435431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345349053 - 2⁵ = 1345349021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345349653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672674526 + 672674527.

It is an arithmetic number, because the mean of its divisors is an integer number (672674527).

Almost surely, 2^1345349053 is an apocalyptic number.

It is an amenable number.

1345349053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345349053 is an equidigital number, since it uses as much as digits as its factorization.

1345349053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1345349053 is about 36679.0001635813. Note that the first 3 decimals coincide. The cubic root of 1345349053 is about 1103.9387866558.

The spelling of 1345349053 in words is "one billion, three hundred forty-five million, three hundred forty-nine thousand, fifty-three".