10685641 has 2 divisors, whose sum is σ = 10685642. Its totient is φ = 10685640.

The previous prime is 10685621. The next prime is 10685651. The reversal of 10685641 is 14658601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2042041 = 2940^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 10685641 - 2⁷ = 10685513 is a prime.

It is a super-2 number, since 2×10685641² = 228365847161762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10685611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5342820 + 5342821.

It is an arithmetic number, because the mean of its divisors is an integer number (5342821).

Almost surely, 2^10685641 is an apocalyptic number.

It is an amenable number.

10685641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10685641 is an equidigital number, since it uses as much as digits as its factorization.

10685641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10685641 is about 3268.8898727244. The cubic root of 10685641 is about 220.2589306672.

The spelling of 10685641 in words is "ten million, six hundred eighty-five thousand, six hundred forty-one".