503407 has 2 divisors, whose sum is σ = 503408. Its totient is φ = 503406.

The previous prime is 503389. The next prime is 503413. The reversal of 503407 is 704305.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251703 + 251704.

It is an arithmetic number, because the mean of its divisors is an integer number (251704).

2⁵⁰³⁴⁰⁷ is an apocalyptic number.

503407 is a deficient number, since it is larger than the sum of its proper divisors (1).

503407 is an equidigital number, since it uses as much as digits as its factorization.

503407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 503407 is about 709.5118039892. The cubic root of 503407 is about 79.5499205211.

It can be divided in two parts, 50340 and 7, that multiplied together give a triangular number (352380 = T₈₃₉).

The spelling of 503407 in words is "five hundred three thousand, four hundred seven".