609204881 has 2 divisors, whose sum is σ = 609204882. Its totient is φ = 609204880.

The previous prime is 609204863. The next prime is 609204899. The reversal of 609204881 is 188402906.

609204881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (609204863) and next prime (609204899).

It can be written as a sum of positive squares in only one way, i.e., 589712656 + 19492225 = 24284^2 + 4415^2 .

It is a cyclic number.

It is not a de Polignac number, because 609204881 - 2²² = 605010577 is a prime.

It is a super-2 number, since 2×609204881² = 742261174068448322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (609204481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304602440 + 304602441.

It is an arithmetic number, because the mean of its divisors is an integer number (304602441).

Almost surely, 2^609204881 is an apocalyptic number.

It is an amenable number.

609204881 is a deficient number, since it is larger than the sum of its proper divisors (1).

609204881 is an equidigital number, since it uses as much as digits as its factorization.

609204881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 609204881 is about 24682.0761079776. The cubic root of 609204881 is about 847.7239598041.

The spelling of 609204881 in words is "six hundred nine million, two hundred four thousand, eight hundred eighty-one".