85093949 has 2 divisors, whose sum is σ = 85093950. Its totient is φ = 85093948.

The previous prime is 85093933. The next prime is 85093961. The reversal of 85093949 is 94939058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 2010724 = 9115^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 85093949 - 2⁴ = 85093933 is a prime.

It is equal to p_4948859 and since 85093949 and 4948859 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85093909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42546974 + 42546975.

It is an arithmetic number, because the mean of its divisors is an integer number (42546975).

Almost surely, 2^85093949 is an apocalyptic number.

It is an amenable number.

85093949 is a deficient number, since it is larger than the sum of its proper divisors (1).

85093949 is an equidigital number, since it uses as much as digits as its factorization.

85093949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 85093949 is about 9224.6381500848. The cubic root of 85093949 is about 439.8448988453.

The spelling of 85093949 in words is "eighty-five million, ninety-three thousand, nine hundred forty-nine".