609803431 has 2 divisors, whose sum is σ = 609803432. Its totient is φ = 609803430.

The previous prime is 609803399. The next prime is 609803437. The reversal of 609803431 is 134308906.

609803431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609803431 - 2⁵ = 609803399 is a prime.

It is a super-2 number, since 2×609803431² = 743720448918743522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609803437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304901715 + 304901716.

It is an arithmetic number, because the mean of its divisors is an integer number (304901716).

Almost surely, 2^609803431 is an apocalyptic number.

609803431 is a deficient number, since it is larger than the sum of its proper divisors (1).

609803431 is an equidigital number, since it uses as much as digits as its factorization.

609803431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 609803431 is about 24694.1983267325. The cubic root of 609803431 is about 848.0015014028.

The spelling of 609803431 in words is "six hundred nine million, eight hundred three thousand, four hundred thirty-one".