506156403 has 8 divisors (see below), whose sum is σ = 675259600. Its totient is φ = 337245408.

The previous prime is 506156393. The next prime is 506156429. The reversal of 506156403 is 304651605.

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

It is not a de Polignac number, because 506156403 - 2⁹ = 506155891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506156473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41788 + ... + 52521.

It is an arithmetic number, because the mean of its divisors is an integer number (84407450).

Almost surely, 2^506156403 is an apocalyptic number.

506156403 is a deficient number, since it is larger than the sum of its proper divisors (169103197).

506156403 is a wasteful number, since it uses less digits than its factorization.

506156403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96101.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 506156403 is about 22497.9199705217. The cubic root of 506156403 is about 796.9448069935.

The spelling of 506156403 in words is "five hundred six million, one hundred fifty-six thousand, four hundred three".