624395041 has 2 divisors, whose sum is σ = 624395042. Its totient is φ = 624395040.

The previous prime is 624395039. The next prime is 624395129. The reversal of 624395041 is 140593426.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 196112016 = 20695^2 + 14004^2 .

It is a cyclic number.

It is not a de Polignac number, because 624395041 - 2¹ = 624395039 is a prime.

Together with 624395039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 624394988 and 624395006.

It is not a weakly prime, because it can be changed into another prime (624395441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312197520 + 312197521.

It is an arithmetic number, because the mean of its divisors is an integer number (312197521).

Almost surely, 2^624395041 is an apocalyptic number.

It is an amenable number.

624395041 is a deficient number, since it is larger than the sum of its proper divisors (1).

624395041 is an equidigital number, since it uses as much as digits as its factorization.

624395041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 624395041 is about 24987.8978907790. The cubic root of 624395041 is about 854.7120268628.

The spelling of 624395041 in words is "six hundred twenty-four million, three hundred ninety-five thousand, forty-one".