624245 has 8 divisors (see below), whose sum is σ = 788640. Its totient is φ = 473040.

The previous prime is 624241. The next prime is 624251. The reversal of 624245 is 542426.

624245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 624245 - 2² = 624241 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 2¹⁵ + 2¹⁹ + 4⁵ + 4⁷ + 5⁵ .

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 624245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624241) 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, 3191 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (98580).

2⁶²⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

624245 is a deficient number, since it is larger than the sum of its proper divisors (164395).

624245 is a wasteful number, since it uses less digits than its factorization.

624245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its digits is 1920, while the sum is 23.

The square root of 624245 is about 790.0917668221. The cubic root of 624245 is about 85.4643559460.

The spelling of 624245 in words is "six hundred twenty-four thousand, two hundred forty-five".