609591841 has 2 divisors, whose sum is σ = 609591842. Its totient is φ = 609591840.

The previous prime is 609591821. The next prime is 609591881. The reversal of 609591841 is 148195906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433472400 + 176119441 = 20820^2 + 13271^2 .

It is a cyclic number.

It is not a de Polignac number, because 609591841 - 2¹¹ = 609589793 is a prime.

It is a super-2 number, since 2×609591841² = 743204425227538562, which contains 22 as substring.

It is equal to p_31799284 and since 609591841 and 31799284 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (609591811) 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, 304795920 + 304795921.

It is an arithmetic number, because the mean of its divisors is an integer number (304795921).

Almost surely, 2^609591841 is an apocalyptic number.

It is an amenable number.

609591841 is a deficient number, since it is larger than the sum of its proper divisors (1).

609591841 is an equidigital number, since it uses as much as digits as its factorization.

609591841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 609591841 is about 24689.9137503556. The cubic root of 609591841 is about 847.9034100150.

The spelling of 609591841 in words is "six hundred nine million, five hundred ninety-one thousand, eight hundred forty-one".