506625463 has 4 divisors (see below), whose sum is σ = 516184488. Its totient is φ = 497066440.

The previous prime is 506625409. The next prime is 506625523. The reversal of 506625463 is 364526605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364526605 = 5 ⋅72905321.

It is a cyclic number.

It is not a de Polignac number, because 506625463 - 2²⁵ = 473071031 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 (506625263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4779433 + ... + 4779538.

It is an arithmetic number, because the mean of its divisors is an integer number (129046122).

Almost surely, 2^506625463 is an apocalyptic number.

506625463 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

506625463 is a deficient number, since it is larger than the sum of its proper divisors (9559025).

506625463 is an equidigital number, since it uses as much as digits as its factorization.

506625463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559024.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 506625463 is about 22508.3420757727. The cubic root of 506625463 is about 797.1909097895.

The spelling of 506625463 in words is "five hundred six million, six hundred twenty-five thousand, four hundred sixty-three".