1083571913 has 2 divisors, whose sum is σ = 1083571914. Its totient is φ = 1083571912.

The previous prime is 1083571897. The next prime is 1083571933. The reversal of 1083571913 is 3191753801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550747024 + 532824889 = 23468^2 + 23083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083571913 - 2⁴ = 1083571897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083571933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541785956 + 541785957.

It is an arithmetic number, because the mean of its divisors is an integer number (541785957).

Almost surely, 2^1083571913 is an apocalyptic number.

It is an amenable number.

1083571913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083571913 is an equidigital number, since it uses as much as digits as its factorization.

1083571913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1083571913 is about 32917.6535160087. The cubic root of 1083571913 is about 1027.1154132037.

The spelling of 1083571913 in words is "one billion, eighty-three million, five hundred seventy-one thousand, nine hundred thirteen".