1345053797 has 2 divisors, whose sum is σ = 1345053798. Its totient is φ = 1345053796.

The previous prime is 1345053737. The next prime is 1345053811. The reversal of 1345053797 is 7973505431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1049695201 + 295358596 = 32399^2 + 17186^2 .

It is an emirp because it is prime and its reverse (7973505431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345053797 - 2⁶ = 1345053733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345053737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672526898 + 672526899.

It is an arithmetic number, because the mean of its divisors is an integer number (672526899).

Almost surely, 2^1345053797 is an apocalyptic number.

It is an amenable number.

1345053797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345053797 is an equidigital number, since it uses as much as digits as its factorization.

1345053797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 44.

The square root of 1345053797 is about 36674.9750783828. The cubic root of 1345053797 is about 1103.8580223870.

The spelling of 1345053797 in words is "one billion, three hundred forty-five million, fifty-three thousand, seven hundred ninety-seven".