609071377 has 2 divisors, whose sum is σ = 609071378. Its totient is φ = 609071376.

The previous prime is 609071357. The next prime is 609071381. The reversal of 609071377 is 773170906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607573201 + 1498176 = 24649^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 609071377 - 2⁷ = 609071249 is a prime.

It is a super-2 number, since 2×609071377² = 741935884561352258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (609071357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304535688 + 304535689.

It is an arithmetic number, because the mean of its divisors is an integer number (304535689).

Almost surely, 2^609071377 is an apocalyptic number.

It is an amenable number.

609071377 is a deficient number, since it is larger than the sum of its proper divisors (1).

609071377 is an equidigital number, since it uses as much as digits as its factorization.

609071377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 609071377 is about 24679.3714871348. The cubic root of 609071377 is about 847.6620305521.

The spelling of 609071377 in words is "six hundred nine million, seventy-one thousand, three hundred seventy-seven".