85846513 has 4 divisors (see below), whose sum is σ = 85873060. Its totient is φ = 85819968.

The previous prime is 85846469. The next prime is 85846559. The reversal of 85846513 is 31564858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74442384 + 11404129 = 8628^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 85846513 - 2⁹ = 85846001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85846573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7620 + ... + 15157.

It is an arithmetic number, because the mean of its divisors is an integer number (21468265).

Almost surely, 2^85846513 is an apocalyptic number.

It is an amenable number.

85846513 is a deficient number, since it is larger than the sum of its proper divisors (26547).

85846513 is a wasteful number, since it uses less digits than its factorization.

85846513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546.

The product of its digits is 115200, while the sum is 40.

The square root of 85846513 is about 9265.3393353940. The cubic root of 85846513 is about 441.1377459235.

The spelling of 85846513 in words is "eighty-five million, eight hundred forty-six thousand, five hundred thirteen".