1345267597 has 2 divisors, whose sum is σ = 1345267598. Its totient is φ = 1345267596.

The previous prime is 1345267591. The next prime is 1345267619. The reversal of 1345267597 is 7957625431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105296516 + 239971081 = 33246^2 + 15491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345267597 - 2²⁷ = 1211049869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1345267597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345267591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672633798 + 672633799.

It is an arithmetic number, because the mean of its divisors is an integer number (672633799).

Almost surely, 2^1345267597 is an apocalyptic number.

It is an amenable number.

1345267597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345267597 is an equidigital number, since it uses as much as digits as its factorization.

1345267597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The square root of 1345267597 is about 36677.8897566368. The cubic root of 1345267597 is about 1103.9165063778.

The spelling of 1345267597 in words is "one billion, three hundred forty-five million, two hundred sixty-seven thousand, five hundred ninety-seven".