10661259 has 16 divisors (see below), whose sum is σ = 16952832. Its totient is φ = 5827008.

The previous prime is 10661249. The next prime is 10661263. The reversal of 10661259 is 95216601.

10661259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10661259 - 2⁴ = 10661243 is a prime.

It is a super-2 number, since 2×10661259² = 227324886930162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10554 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (1059552).

Almost surely, 2^10661259 is an apocalyptic number.

10661259 is a deficient number, since it is larger than the sum of its proper divisors (6291573).

10661259 is a wasteful number, since it uses less digits than its factorization.

10661259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 10661259 is about 3265.1583422554. The cubic root of 10661259 is about 220.0912775509.

The spelling of 10661259 in words is "ten million, six hundred sixty-one thousand, two hundred fifty-nine".