1345726583 has 2 divisors, whose sum is σ = 1345726584. Its totient is φ = 1345726582.

The previous prime is 1345726549. The next prime is 1345726609. The reversal of 1345726583 is 3856275431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345726583 - 2¹⁶ = 1345661047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345726883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672863291 + 672863292.

It is an arithmetic number, because the mean of its divisors is an integer number (672863292).

Almost surely, 2^1345726583 is an apocalyptic number.

1345726583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345726583 is an equidigital number, since it uses as much as digits as its factorization.

1345726583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 1345726583 is about 36684.1462078648. The cubic root of 1345726583 is about 1104.0420389260.

The spelling of 1345726583 in words is "one billion, three hundred forty-five million, seven hundred twenty-six thousand, five hundred eighty-three".