10501643 has 2 divisors, whose sum is σ = 10501644. Its totient is φ = 10501642.

The previous prime is 10501613. The next prime is 10501649. The reversal of 10501643 is 34610501.

It is a strong prime.

It is an emirp because it is prime and its reverse (34610501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10501643 - 2¹⁴ = 10485259 is a prime.

It is a super-2 number, since 2×10501643² = 220569011398898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10501649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250821 + 5250822.

It is an arithmetic number, because the mean of its divisors is an integer number (5250822).

Almost surely, 2^10501643 is an apocalyptic number.

10501643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10501643 is an equidigital number, since it uses as much as digits as its factorization.

10501643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10501643 is about 3240.6238596912. The cubic root of 10501643 is about 218.9873779066.

The spelling of 10501643 in words is "ten million, five hundred one thousand, six hundred forty-three".