624263 has 4 divisors (see below), whose sum is σ = 627600. Its totient is φ = 620928.

The previous prime is 624259. The next prime is 624271. The reversal of 624263 is 362426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362426 = 2 ⋅181213.

It is a cyclic number.

It is not a de Polignac number, because 624263 - 2² = 624259 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 (624203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (156900).

2⁶²⁴²⁶³ is an apocalyptic number.

624263 is a deficient number, since it is larger than the sum of its proper divisors (3337).

624263 is a wasteful number, since it uses less digits than its factorization.

624263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336.

The product of its digits is 1728, while the sum is 23.

The square root of 624263 is about 790.1031578218. The cubic root of 624263 is about 85.4651773882.

Adding to 624263 its reverse (362426), we get a palindrome (986689).

The spelling of 624263 in words is "six hundred twenty-four thousand, two hundred sixty-three".