8500061 has 2 divisors, whose sum is σ = 8500062. Its totient is φ = 8500060.

The previous prime is 8500057. The next prime is 8500067. The reversal of 8500061 is 1600058.

8500061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8444836 + 55225 = 2906^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 8500061 - 2² = 8500057 is a prime.

It is equal to p₅₇₁₁₂₄ and since 8500061 and 571124 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 (8500067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250030 + 4250031.

It is an arithmetic number, because the mean of its divisors is an integer number (4250031).

Almost surely, 2^8500061 is an apocalyptic number.

It is an amenable number.

8500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8500061 is an equidigital number, since it uses as much as digits as its factorization.

8500061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8500061 is about 2915.4864088176. The cubic root of 8500061 is about 204.0832432927.

The spelling of 8500061 in words is "eight million, five hundred thousand, sixty-one".