513152503 has 2 divisors, whose sum is σ = 513152504. Its totient is φ = 513152502.

The previous prime is 513152501. The next prime is 513152537. The reversal of 513152503 is 305251315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513152503 - 2¹ = 513152501 is a prime.

Together with 513152501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513152501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256576251 + 256576252.

It is an arithmetic number, because the mean of its divisors is an integer number (256576252).

Almost surely, 2^513152503 is an apocalyptic number.

513152503 is a deficient number, since it is larger than the sum of its proper divisors (1).

513152503 is an equidigital number, since it uses as much as digits as its factorization.

513152503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 513152503 is about 22652.8696416149. The cubic root of 513152503 is about 800.5998121485.

The spelling of 513152503 in words is "five hundred thirteen million, one hundred fifty-two thousand, five hundred three".