607564813 has 2 divisors, whose sum is σ = 607564814. Its totient is φ = 607564812.

The previous prime is 607564739. The next prime is 607564847. The reversal of 607564813 is 318465706.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338670409 + 268894404 = 18403^2 + 16398^2 .

It is a cyclic number.

It is not a de Polignac number, because 607564813 - 2⁹ = 607564301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607564213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303782406 + 303782407.

It is an arithmetic number, because the mean of its divisors is an integer number (303782407).

Almost surely, 2^607564813 is an apocalyptic number.

It is an amenable number.

607564813 is a deficient number, since it is larger than the sum of its proper divisors (1).

607564813 is an equidigital number, since it uses as much as digits as its factorization.

607564813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 607564813 is about 24648.8298505223. The cubic root of 607564813 is about 846.9625441160.

The spelling of 607564813 in words is "six hundred seven million, five hundred sixty-four thousand, eight hundred thirteen".