10643259 has 8 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 6450440.

The previous prime is 10643257. The next prime is 10643263. The reversal of 10643259 is 95234601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10643259 - 2¹ = 10643257 is a prime.

It is a super-2 number, since 2×10643259² = 226557924282162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161229 + ... + 161294.

It is an arithmetic number, because the mean of its divisors is an integer number (1935144).

Almost surely, 2^10643259 is an apocalyptic number.

10643259 is a deficient number, since it is larger than the sum of its proper divisors (4837893).

10643259 is a wasteful number, since it uses less digits than its factorization.

10643259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322537.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 10643259 is about 3262.4008030897. The cubic root of 10643259 is about 219.9673436376.

It can be divided in two parts, 106432 and 59, that added together give a triangular number (106491 = T₄₆₁).

The spelling of 10643259 in words is "ten million, six hundred forty-three thousand, two hundred fifty-nine".