505032499 has 16 divisors (see below), whose sum is σ = 525415968. Its totient is φ = 485056512.

The previous prime is 505032491. The next prime is 505032503. The reversal of 505032499 is 994230505.

It is a cyclic number.

It is not a de Polignac number, because 505032499 - 2³ = 505032491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505032491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644904 + ... + 1645210.

It is an arithmetic number, because the mean of its divisors is an integer number (32838498).

Almost surely, 2^505032499 is an apocalyptic number.

505032499 is a deficient number, since it is larger than the sum of its proper divisors (20383469).

505032499 is a wasteful number, since it uses less digits than its factorization.

505032499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 505032499 is about 22472.9281358705. The cubic root of 505032499 is about 796.3545064329.

The spelling of 505032499 in words is "five hundred five million, thirty-two thousand, four hundred ninety-nine".