368500513 has 2 divisors, whose sum is σ = 368500514. Its totient is φ = 368500512.

The previous prime is 368500471. The next prime is 368500523. The reversal of 368500513 is 315005863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343620369 + 24880144 = 18537^2 + 4988^2 .

It is an emirp because it is prime and its reverse (315005863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368500513 - 2⁹ = 368500001 is a prime.

It is not a weakly prime, because it can be changed into another prime (368500523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184250256 + 184250257.

It is an arithmetic number, because the mean of its divisors is an integer number (184250257).

Almost surely, 2^368500513 is an apocalyptic number.

It is an amenable number.

368500513 is a deficient number, since it is larger than the sum of its proper divisors (1).

368500513 is an equidigital number, since it uses as much as digits as its factorization.

368500513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 368500513 is about 19196.3671823603. The cubic root of 368500513 is about 716.9343114511.

The spelling of 368500513 in words is "three hundred sixty-eight million, five hundred thousand, five hundred thirteen".