1590561043 has 2 divisors, whose sum is σ = 1590561044. Its totient is φ = 1590561042.

The previous prime is 1590561023. The next prime is 1590561053. The reversal of 1590561043 is 3401650951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1590561043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1590561023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795280521 + 795280522.

It is an arithmetic number, because the mean of its divisors is an integer number (795280522).

Almost surely, 2^1590561043 is an apocalyptic number.

1590561043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1590561043 is an equidigital number, since it uses as much as digits as its factorization.

1590561043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1590561043 is about 39881.8385107808. The cubic root of 1590561043 is about 1167.3025844813.

The spelling of 1590561043 in words is "one billion, five hundred ninety million, five hundred sixty-one thousand, forty-three".