85349633 has 2 divisors, whose sum is σ = 85349634. Its totient is φ = 85349632.

The previous prime is 85349623. The next prime is 85349669. The reversal of 85349633 is 33694358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 42211009 = 6568^2 + 6497^2 .

It is a cyclic number.

It is not a de Polignac number, because 85349633 - 2⁴ = 85349617 is a prime.

It is not a weakly prime, because it can be changed into another prime (85349623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42674816 + 42674817.

It is an arithmetic number, because the mean of its divisors is an integer number (42674817).

Almost surely, 2^85349633 is an apocalyptic number.

It is an amenable number.

85349633 is a deficient number, since it is larger than the sum of its proper divisors (1).

85349633 is an equidigital number, since it uses as much as digits as its factorization.

85349633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 85349633 is about 9238.4865102461. The cubic root of 85349633 is about 440.2849961480.

The spelling of 85349633 in words is "eighty-five million, three hundred forty-nine thousand, six hundred thirty-three".