502749 has 12 divisors (see below), whose sum is σ = 782236. Its totient is φ = 309312.

The previous prime is 502729. The next prime is 502769. The reversal of 502749 is 947205.

It is an interprime number because it is at equal distance from previous prime (502729) and next prime (502769).

It can be written as a sum of positive squares in 2 ways, for example, as 164025 + 338724 = 405^2 + 582^2 .

It is not a de Polignac number, because 502749 - 2⁵ = 502717 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2032 + ... + 2265.

2⁵⁰²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

502749 is a deficient number, since it is larger than the sum of its proper divisors (279487).

502749 is a wasteful number, since it uses less digits than its factorization.

502749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 502749 is about 709.0479532443. The cubic root of 502749 is about 79.5152456818.

The spelling of 502749 in words is "five hundred two thousand, seven hundred forty-nine".