624101 has 4 divisors (see below), whose sum is σ = 626604. Its totient is φ = 621600.

The previous prime is 624097. The next prime is 624119. The reversal of 624101 is 101426.

624101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 790²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 422500 + 201601 = 650^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 624101 - 2² = 624097 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 (624191) 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, 830 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (156651).

2⁶²⁴¹⁰¹ is an apocalyptic number.

It is an amenable number.

624101 is a deficient number, since it is larger than the sum of its proper divisors (2503).

624101 is a wasteful number, since it uses less digits than its factorization.

624101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 624101 is about 790.0006329111. Note that the first 3 decimals coincide. The cubic root of 624101 is about 85.4577838396.

Adding to 624101 its reverse (101426), we get a palindrome (725527).

The spelling of 624101 in words is "six hundred twenty-four thousand, one hundred one".