624413 has 4 divisors (see below), whose sum is σ = 628320. Its totient is φ = 620508.

The previous prime is 624401. The next prime is 624419. The reversal of 624413 is 314426.

It is a happy number.

624413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 624413 - 2¹² = 620317 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624419) 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, 1703 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

2⁶²⁴⁴¹³ is an apocalyptic number.

It is an amenable number.

624413 is a deficient number, since it is larger than the sum of its proper divisors (3907).

624413 is a wasteful number, since it uses less digits than its factorization.

624413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906.

The product of its digits is 576, while the sum is 20.

The square root of 624413 is about 790.1980764340. The cubic root of 624413 is about 85.4720221262.

Adding to 624413 its reverse (314426), we get a palindrome (938839).

The spelling of 624413 in words is "six hundred twenty-four thousand, four hundred thirteen".