10642259 has 2 divisors, whose sum is σ = 10642260. Its totient is φ = 10642258.

The previous prime is 10642253. The next prime is 10642267. The reversal of 10642259 is 95224601.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95224601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10642259 is a prime.

It is a super-2 number, since 2×10642259² = 226515353246162, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10642253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321129 + 5321130.

It is an arithmetic number, because the mean of its divisors is an integer number (5321130).

Almost surely, 2^10642259 is an apocalyptic number.

10642259 is a deficient number, since it is larger than the sum of its proper divisors (1).

10642259 is an equidigital number, since it uses as much as digits as its factorization.

10642259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 10642259 is about 3262.2475381246. The cubic root of 10642259 is about 219.9604543245.

It can be divided in two parts, 10642 and 259, that added together give a palindrome (10901).

The spelling of 10642259 in words is "ten million, six hundred forty-two thousand, two hundred fifty-nine".