513214237 has 2 divisors, whose sum is σ = 513214238. Its totient is φ = 513214236.

The previous prime is 513214231. The next prime is 513214253. The reversal of 513214237 is 732412315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418366116 + 94848121 = 20454^2 + 9739^2 .

It is a cyclic number.

It is not a de Polignac number, because 513214237 - 2¹⁹ = 512689949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513214231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256607118 + 256607119.

It is an arithmetic number, because the mean of its divisors is an integer number (256607119).

Almost surely, 2^513214237 is an apocalyptic number.

It is an amenable number.

513214237 is a deficient number, since it is larger than the sum of its proper divisors (1).

513214237 is an equidigital number, since it uses as much as digits as its factorization.

513214237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 513214237 is about 22654.2322094570. The cubic root of 513214237 is about 800.6319158257.

The spelling of 513214237 in words is "five hundred thirteen million, two hundred fourteen thousand, two hundred thirty-seven".