608561851 has 2 divisors, whose sum is σ = 608561852. Its totient is φ = 608561850.

The previous prime is 608561777. The next prime is 608561857. The reversal of 608561851 is 158165806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 608561851 - 2¹¹ = 608559803 is a prime.

It is not a weakly prime, because it can be changed into another prime (608561857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304280925 + 304280926.

It is an arithmetic number, because the mean of its divisors is an integer number (304280926).

Almost surely, 2^608561851 is an apocalyptic number.

608561851 is a deficient number, since it is larger than the sum of its proper divisors (1).

608561851 is an equidigital number, since it uses as much as digits as its factorization.

608561851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 608561851 is about 24669.0464144847. The cubic root of 608561851 is about 847.4255906455.

The spelling of 608561851 in words is "six hundred eight million, five hundred sixty-one thousand, eight hundred fifty-one".