1345253099 has 2 divisors, whose sum is σ = 1345253100. Its totient is φ = 1345253098.

The previous prime is 1345253081. The next prime is 1345253101. The reversal of 1345253099 is 9903525431.

It is a strong prime.

It is an emirp because it is prime and its reverse (9903525431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345253099 - 2²⁰ = 1344204523 is a prime.

Together with 1345253101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1345253059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672626549 + 672626550.

It is an arithmetic number, because the mean of its divisors is an integer number (672626550).

Almost surely, 2^1345253099 is an apocalyptic number.

1345253099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345253099 is an equidigital number, since it uses as much as digits as its factorization.

1345253099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 1345253099 is about 36677.6921165986. The cubic root of 1345253099 is about 1103.9125407135.

The spelling of 1345253099 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, ninety-nine".