505626623 has 8 divisors (see below), whose sum is σ = 513871680. Its totient is φ = 497427840.

The previous prime is 505626619. The next prime is 505626643. The reversal of 505626623 is 326626505.

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

It is a cyclic number.

It is not a de Polignac number, because 505626623 - 2² = 505626619 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 (505626643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10811 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (64233960).

Almost surely, 2^505626623 is an apocalyptic number.

505626623 is a deficient number, since it is larger than the sum of its proper divisors (8245057).

505626623 is a wasteful number, since it uses less digits than its factorization.

505626623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23137.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 505626623 is about 22486.1429106906. The cubic root of 505626623 is about 796.6666631848. Note that the first 5 decimals are identical.

The spelling of 505626623 in words is "five hundred five million, six hundred twenty-six thousand, six hundred twenty-three".