10502409 has 4 divisors (see below), whose sum is σ = 14003216. Its totient is φ = 7001604.

The previous prime is 10502407. The next prime is 10502411. The reversal of 10502409 is 90420501.

10502409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10502407) and next prime (10502411).

It is not a de Polignac number, because 10502409 - 2¹ = 10502407 is a prime.

It is a super-2 number, since 2×10502409² = 220601189606562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10502407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750399 + ... + 1750404.

It is an arithmetic number, because the mean of its divisors is an integer number (3500804).

Almost surely, 2^10502409 is an apocalyptic number.

It is an amenable number.

10502409 is a deficient number, since it is larger than the sum of its proper divisors (3500807).

10502409 is an equidigital number, since it uses as much as digits as its factorization.

10502409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500806.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10502409 is about 3240.7420446558. The cubic root of 10502409 is about 218.9927021609.

The spelling of 10502409 in words is "ten million, five hundred two thousand, four hundred nine".