85024517 has 2 divisors, whose sum is σ = 85024518. Its totient is φ = 85024516.

The previous prime is 85024507. The next prime is 85024523. The reversal of 85024517 is 71542058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 13942756 = 8431^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 85024517 - 2²² = 80830213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85024507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42512258 + 42512259.

It is an arithmetic number, because the mean of its divisors is an integer number (42512259).

Almost surely, 2^85024517 is an apocalyptic number.

It is an amenable number.

85024517 is a deficient number, since it is larger than the sum of its proper divisors (1).

85024517 is an equidigital number, since it uses as much as digits as its factorization.

85024517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 85024517 is about 9220.8739824379. The cubic root of 85024517 is about 439.7252365141.

The spelling of 85024517 in words is "eighty-five million, twenty-four thousand, five hundred seventeen".