10502909 has 2 divisors, whose sum is σ = 10502910. Its totient is φ = 10502908.

The previous prime is 10502897. The next prime is 10502911. The reversal of 10502909 is 90920501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10099684 + 403225 = 3178^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10502909 is a prime.

It is a super-2 number, since 2×10502909² = 220622194924562, which contains 22 as substring.

Together with 10502911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10505909) 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, 5251454 + 5251455.

It is an arithmetic number, because the mean of its divisors is an integer number (5251455).

Almost surely, 2^10502909 is an apocalyptic number.

It is an amenable number.

10502909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10502909 is an equidigital number, since it uses as much as digits as its factorization.

10502909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 10502909 is about 3240.8191865638. The cubic root of 10502909 is about 218.9961773830.

It can be divided in two parts, 10502 and 909, that added together give a palindrome (11411).

The spelling of 10502909 in words is "ten million, five hundred two thousand, nine hundred nine".