93412181 has 2 divisors, whose sum is σ = 93412182. Its totient is φ = 93412180.

The previous prime is 93412169. The next prime is 93412199. The reversal of 93412181 is 18121439.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64144081 + 29268100 = 8009^2 + 5410^2 .

It is a cyclic number.

It is not a de Polignac number, because 93412181 - 2⁶ = 93412117 is a prime.

It is a super-2 number, since 2×93412181² = 17451671118353522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93415181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46706090 + 46706091.

It is an arithmetic number, because the mean of its divisors is an integer number (46706091).

Almost surely, 2^93412181 is an apocalyptic number.

It is an amenable number.

93412181 is a deficient number, since it is larger than the sum of its proper divisors (1).

93412181 is an equidigital number, since it uses as much as digits as its factorization.

93412181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 93412181 is about 9664.9977237452. The cubic root of 93412181 is about 453.7338400597.

The spelling of 93412181 in words is "ninety-three million, four hundred twelve thousand, one hundred eighty-one".