85133061 has 12 divisors (see below), whose sum is σ = 132429388. Its totient is φ = 52389504.

The previous prime is 85133029. The next prime is 85133063. The reversal of 85133061 is 16033158.

It can be written as a sum of positive squares in 2 ways, for example, as 23824161 + 61308900 = 4881^2 + 7830^2 .

It is not a de Polignac number, because 85133061 - 2⁵ = 85133029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85133063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363700 + ... + 363933.

Almost surely, 2^85133061 is an apocalyptic number.

It is an amenable number.

85133061 is a deficient number, since it is larger than the sum of its proper divisors (47296327).

85133061 is a wasteful number, since it uses less digits than its factorization.

85133061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727652 (or 727649 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 85133061 is about 9226.7578812929. The cubic root of 85133061 is about 439.9122776222.

The spelling of 85133061 in words is "eighty-five million, one hundred thirty-three thousand, sixty-one".