503491247 has 8 divisors (see below), whose sum is σ = 576384000. Its totient is φ = 430839864.

The previous prime is 503491237. The next prime is 503491271. The reversal of 503491247 is 742194305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503491247 - 2¹⁶ = 503425711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503491217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55847 + ... + 64232.

It is an arithmetic number, because the mean of its divisors is an integer number (72048000).

Almost surely, 2^503491247 is an apocalyptic number.

503491247 is a deficient number, since it is larger than the sum of its proper divisors (72892753).

503491247 is a wasteful number, since it uses less digits than its factorization.

503491247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120685.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 503491247 is about 22438.6106298942. The cubic root of 503491247 is about 795.5435793011.

The spelling of 503491247 in words is "five hundred three million, four hundred ninety-one thousand, two hundred forty-seven".