1048502409 has 4 divisors (see below), whose sum is σ = 1398003216. Its totient is φ = 699001604.

The previous prime is 1048502407. The next prime is 1048502417. The reversal of 1048502409 is 9042058401.

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 a cyclic number.

It is not a de Polignac number, because 1048502409 - 2¹ = 1048502407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1048502409.

It is not an unprimeable number, because it can be changed into a prime (1048502401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174750399 + ... + 174750404.

It is an arithmetic number, because the mean of its divisors is an integer number (349500804).

Almost surely, 2^1048502409 is an apocalyptic number.

It is an amenable number.

1048502409 is a deficient number, since it is larger than the sum of its proper divisors (349500807).

1048502409 is an equidigital number, since it uses as much as digits as its factorization.

1048502409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349500806.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1048502409 is about 32380.5869156197. The cubic root of 1048502409 is about 1015.9129059330.

The spelling of 1048502409 in words is "one billion, forty-eight million, five hundred two thousand, four hundred nine".