624798959 has 4 divisors (see below), whose sum is σ = 640038000. Its totient is φ = 609559920.

The previous prime is 624798953. The next prime is 624798971. The reversal of 624798959 is 959897426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959897426 = 2 ⋅479948713.

It is a cyclic number.

It is not a de Polignac number, because 624798959 - 2¹⁶ = 624733423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 624798898 and 624798907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624798953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7619459 + ... + 7619540.

It is an arithmetic number, because the mean of its divisors is an integer number (160009500).

Almost surely, 2^624798959 is an apocalyptic number.

624798959 is a deficient number, since it is larger than the sum of its proper divisors (15239041).

624798959 is a wasteful number, since it uses less digits than its factorization.

624798959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15239040.

The product of its digits is 9797760, while the sum is 59.

The square root of 624798959 is about 24995.9788566081. The cubic root of 624798959 is about 854.8962901007.

The spelling of 624798959 in words is "six hundred twenty-four million, seven hundred ninety-eight thousand, nine hundred fifty-nine".