513242297 has 2 divisors, whose sum is σ = 513242298. Its totient is φ = 513242296.

The previous prime is 513242287. The next prime is 513242329. The reversal of 513242297 is 792242315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426174736 + 87067561 = 20644^2 + 9331^2 .

It is a cyclic number.

It is not a de Polignac number, because 513242297 - 2¹⁰ = 513241273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (513242237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256621148 + 256621149.

It is an arithmetic number, because the mean of its divisors is an integer number (256621149).

Almost surely, 2^513242297 is an apocalyptic number.

It is an amenable number.

513242297 is a deficient number, since it is larger than the sum of its proper divisors (1).

513242297 is an equidigital number, since it uses as much as digits as its factorization.

513242297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 513242297 is about 22654.8515113209. The cubic root of 513242297 is about 800.6465070825.

The spelling of 513242297 in words is "five hundred thirteen million, two hundred forty-two thousand, two hundred ninety-seven".