246622609 has 2 divisors, whose sum is σ = 246622610. Its totient is φ = 246622608.

The previous prime is 246622549. The next prime is 246622633. The reversal of 246622609 is 906226642.

246622609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228856384 + 17766225 = 15128^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 246622609 - 2²³ = 238234001 is a prime.

It is a super-2 number, since 2×246622609² = 121645422539933762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (246622669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123311304 + 123311305.

It is an arithmetic number, because the mean of its divisors is an integer number (123311305).

Almost surely, 2^246622609 is an apocalyptic number.

It is an amenable number.

246622609 is a deficient number, since it is larger than the sum of its proper divisors (1).

246622609 is an equidigital number, since it uses as much as digits as its factorization.

246622609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 246622609 is about 15704.2226487018. Note that the first 3 decimals coincide. The cubic root of 246622609 is about 627.1108227383.

The spelling of 246622609 in words is "two hundred forty-six million, six hundred twenty-two thousand, six hundred nine".