513014903 has 2 divisors, whose sum is σ = 513014904. Its totient is φ = 513014902.

The previous prime is 513014893. The next prime is 513014923. The reversal of 513014903 is 309410315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513014903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513014923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256507451 + 256507452.

It is an arithmetic number, because the mean of its divisors is an integer number (256507452).

Almost surely, 2^513014903 is an apocalyptic number.

513014903 is a deficient number, since it is larger than the sum of its proper divisors (1).

513014903 is an equidigital number, since it uses as much as digits as its factorization.

513014903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 513014903 is about 22649.8322951849. The cubic root of 513014903 is about 800.5282464304.

The spelling of 513014903 in words is "five hundred thirteen million, fourteen thousand, nine hundred three".