609487 has 2 divisors, whose sum is σ = 609488. Its totient is φ = 609486.

The previous prime is 609461. The next prime is 609503. The reversal of 609487 is 784906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609487 - 2⁷ = 609359 is a prime.

609487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609407) 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, 304743 + 304744.

It is an arithmetic number, because the mean of its divisors is an integer number (304744).

2⁶⁰⁹⁴⁸⁷ is an apocalyptic number.

609487 is a deficient number, since it is larger than the sum of its proper divisors (1).

609487 is an equidigital number, since it uses as much as digits as its factorization.

609487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 609487 is about 780.6964839168. The cubic root of 609487 is about 84.7854798178.

The spelling of 609487 in words is "six hundred nine thousand, four hundred eighty-seven".