567409397 has 2 divisors, whose sum is σ = 567409398. Its totient is φ = 567409396.

The previous prime is 567409327. The next prime is 567409417. The reversal of 567409397 is 793904765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501491236 + 65918161 = 22394^2 + 8119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-567409397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (567409307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283704698 + 283704699.

It is an arithmetic number, because the mean of its divisors is an integer number (283704699).

Almost surely, 2^567409397 is an apocalyptic number.

It is an amenable number.

567409397 is a deficient number, since it is larger than the sum of its proper divisors (1).

567409397 is an equidigital number, since it uses as much as digits as its factorization.

567409397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 567409397 is about 23820.3567773449. The cubic root of 567409397 is about 827.8764105057.

The spelling of 567409397 in words is "five hundred sixty-seven million, four hundred nine thousand, three hundred ninety-seven".