624463 has 4 divisors (see below), whose sum is σ = 713680. Its totient is φ = 535248.

The previous prime is 624451. The next prime is 624467. The reversal of 624463 is 364426.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-624463 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 (624467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44598 + ... + 44611.

It is an arithmetic number, because the mean of its divisors is an integer number (178420).

2⁶²⁴⁴⁶³ is an apocalyptic number.

624463 is a deficient number, since it is larger than the sum of its proper divisors (89217).

624463 is an equidigital number, since it uses as much as digits as its factorization.

624463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89216.

The product of its digits is 3456, while the sum is 25.

The square root of 624463 is about 790.2297134378. The cubic root of 624463 is about 85.4743034619.

Adding to 624463 its reverse (364426), we get a palindrome (988889).

The spelling of 624463 in words is "six hundred twenty-four thousand, four hundred sixty-three".