500403487 has 2 divisors, whose sum is σ = 500403488. Its totient is φ = 500403486.

The previous prime is 500403473. The next prime is 500403493. The reversal of 500403487 is 784304005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500403487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500403287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250201743 + 250201744.

It is an arithmetic number, because the mean of its divisors is an integer number (250201744).

Almost surely, 2^500403487 is an apocalyptic number.

500403487 is a deficient number, since it is larger than the sum of its proper divisors (1).

500403487 is an equidigital number, since it uses as much as digits as its factorization.

500403487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 500403487 is about 22369.7001991533. The cubic root of 500403487 is about 793.9139671433.

The spelling of 500403487 in words is "five hundred million, four hundred three thousand, four hundred eighty-seven".