93859561 has 2 divisors, whose sum is σ = 93859562. Its totient is φ = 93859560.

The previous prime is 93859559. The next prime is 93859607. The reversal of 93859561 is 16595839.

It is an a-pointer prime, because the next prime (93859607) can be obtained adding 93859561 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88003161 + 5856400 = 9381^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 93859561 - 2¹ = 93859559 is a prime.

It is a super-2 number, since 2×93859561² = 17619234382225442, which contains 22 as substring.

Together with 93859559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (93809561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46929780 + 46929781.

It is an arithmetic number, because the mean of its divisors is an integer number (46929781).

Almost surely, 2^93859561 is an apocalyptic number.

It is an amenable number.

93859561 is a deficient number, since it is larger than the sum of its proper divisors (1).

93859561 is an equidigital number, since it uses as much as digits as its factorization.

93859561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 93859561 is about 9688.1144192252. The cubic root of 93859561 is about 454.4570442487.

The spelling of 93859561 in words is "ninety-three million, eight hundred fifty-nine thousand, five hundred sixty-one".