609426287 has 2 divisors, whose sum is σ = 609426288. Its totient is φ = 609426286.

The previous prime is 609426269. The next prime is 609426313. The reversal of 609426287 is 782624906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609426287 - 2¹⁶ = 609360751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609426227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304713143 + 304713144.

It is an arithmetic number, because the mean of its divisors is an integer number (304713144).

Almost surely, 2^609426287 is an apocalyptic number.

609426287 is a deficient number, since it is larger than the sum of its proper divisors (1).

609426287 is an equidigital number, since it uses as much as digits as its factorization.

609426287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 609426287 is about 24686.5608580863. The cubic root of 609426287 is about 847.8266447101.

The spelling of 609426287 in words is "six hundred nine million, four hundred twenty-six thousand, two hundred eighty-seven".