505432499 has 8 divisors (see below), whose sum is σ = 593794992. Its totient is φ = 424139040.

The previous prime is 505432493. The next prime is 505432517. The reversal of 505432499 is 994234505.

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

It is a de Polignac number, because none of the positive numbers 2^k-505432499 is a prime.

It is a super-2 number, since 2×505432499² = 510924022090770002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505432493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767104 + ... + 1767389.

It is an arithmetic number, because the mean of its divisors is an integer number (74224374).

Almost surely, 2^505432499 is an apocalyptic number.

505432499 is a deficient number, since it is larger than the sum of its proper divisors (88362493).

505432499 is a wasteful number, since it uses less digits than its factorization.

505432499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534517.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 505432499 is about 22481.8259712151. The cubic root of 505432499 is about 796.5646960360.

The spelling of 505432499 in words is "five hundred five million, four hundred thirty-two thousand, four hundred ninety-nine".