609071357 has 2 divisors, whose sum is σ = 609071358. Its totient is φ = 609071356.

The previous prime is 609071341. The next prime is 609071377. The reversal of 609071357 is 753170906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548449561 + 60621796 = 23419^2 + 7786^2 .

It is a cyclic number.

It is not a de Polignac number, because 609071357 - 2⁴ = 609071341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609071357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609071377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304535678 + 304535679.

It is an arithmetic number, because the mean of its divisors is an integer number (304535679).

Almost surely, 2^609071357 is an apocalyptic number.

It is an amenable number.

609071357 is a deficient number, since it is larger than the sum of its proper divisors (1).

609071357 is an equidigital number, since it uses as much as digits as its factorization.

609071357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 609071357 is about 24679.3710819380. The cubic root of 609071357 is about 847.6620212739.

The spelling of 609071357 in words is "six hundred nine million, seventy-one thousand, three hundred fifty-seven".