609323101 has 2 divisors, whose sum is σ = 609323102. Its totient is φ = 609323100.

The previous prime is 609323053. The next prime is 609323131. The reversal of 609323101 is 101323906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306215001 + 303108100 = 17499^2 + 17410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609323101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304661550 + 304661551.

It is an arithmetic number, because the mean of its divisors is an integer number (304661551).

Almost surely, 2^609323101 is an apocalyptic number.

It is an amenable number.

609323101 is a deficient number, since it is larger than the sum of its proper divisors (1).

609323101 is an equidigital number, since it uses as much as digits as its factorization.

609323101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 609323101 is about 24684.4708470731. The cubic root of 609323101 is about 847.7787916281.

The spelling of 609323101 in words is "six hundred nine million, three hundred twenty-three thousand, one hundred one".