503249989 has 8 divisors (see below), whose sum is σ = 549385632. Its totient is φ = 457178640.

The previous prime is 503249977. The next prime is 503250019. The reversal of 503249989 is 989942305.

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

It is a cyclic number.

It is not a de Polignac number, because 503249989 - 2²⁵ = 469695557 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 (503241989) 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, 1102 + ... + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (68673204).

Almost surely, 2^503249989 is an apocalyptic number.

It is an amenable number.

503249989 is a deficient number, since it is larger than the sum of its proper divisors (46135643).

503249989 is a wasteful number, since it uses less digits than its factorization.

503249989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32147.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 503249989 is about 22433.2340290026. The cubic root of 503249989 is about 795.4164920756.

The spelling of 503249989 in words is "five hundred three million, two hundred forty-nine thousand, nine hundred eighty-nine".