609787403 has 4 divisors (see below), whose sum is σ = 611000208. Its totient is φ = 608574600.

The previous prime is 609787369. The next prime is 609787421. The reversal of 609787403 is 304787906.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 609787403 - 2¹⁶ = 609721867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609787303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605648 + ... + 606653.

It is an arithmetic number, because the mean of its divisors is an integer number (152750052).

Almost surely, 2^609787403 is an apocalyptic number.

609787403 is a deficient number, since it is larger than the sum of its proper divisors (1212805).

609787403 is a wasteful number, since it uses less digits than its factorization.

609787403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212804.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 609787403 is about 24693.8737949314. The cubic root of 609787403 is about 847.9940717479.

The spelling of 609787403 in words is "six hundred nine million, seven hundred eighty-seven thousand, four hundred three".