1059493861 has 2 divisors, whose sum is σ = 1059493862. Its totient is φ = 1059493860.

The previous prime is 1059493823. The next prime is 1059493871. The reversal of 1059493861 is 1683949501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756525025 + 302968836 = 27505^2 + 17406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1059493861 - 2⁷ = 1059493733 is a prime.

It is a super-2 number, since 2×1059493861² = 2245054482993374642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1059493871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529746930 + 529746931.

It is an arithmetic number, because the mean of its divisors is an integer number (529746931).

Almost surely, 2^1059493861 is an apocalyptic number.

It is an amenable number.

1059493861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1059493861 is an equidigital number, since it uses as much as digits as its factorization.

1059493861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1059493861 is about 32549.8672961965. The cubic root of 1059493861 is about 1019.4505117383.

The spelling of 1059493861 in words is "one billion, fifty-nine million, four hundred ninety-three thousand, eight hundred sixty-one".