1345562263 has 2 divisors, whose sum is σ = 1345562264. Its totient is φ = 1345562262.

The previous prime is 1345562243. The next prime is 1345562287. The reversal of 1345562263 is 3622655431.

It is a weak prime.

It is an emirp because it is prime and its reverse (3622655431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345562263 - 2²¹ = 1343465111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345562203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672781131 + 672781132.

It is an arithmetic number, because the mean of its divisors is an integer number (672781132).

Almost surely, 2^1345562263 is an apocalyptic number.

1345562263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345562263 is an equidigital number, since it uses as much as digits as its factorization.

1345562263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 1345562263 is about 36681.9064798982. The cubic root of 1345562263 is about 1103.9971007306.

The spelling of 1345562263 in words is "one billion, three hundred forty-five million, five hundred sixty-two thousand, two hundred sixty-three".