10685599 has 2 divisors, whose sum is σ = 10685600. Its totient is φ = 10685598.

The previous prime is 10685579. The next prime is 10685611. The reversal of 10685599 is 99558601.

It is a happy number.

10685599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10685599 - 2⁵ = 10685567 is a prime.

It is a super-2 number, since 2×10685599² = 228364051977602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10685509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5342799 + 5342800.

It is an arithmetic number, because the mean of its divisors is an integer number (5342800).

Almost surely, 2^10685599 is an apocalyptic number.

10685599 is a deficient number, since it is larger than the sum of its proper divisors (1).

10685599 is an equidigital number, since it uses as much as digits as its factorization.

10685599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 10685599 is about 3268.8834485188. The cubic root of 10685599 is about 220.2586420903.

The spelling of 10685599 in words is "ten million, six hundred eighty-five thousand, five hundred ninety-nine".