624336241 has 2 divisors, whose sum is σ = 624336242. Its totient is φ = 624336240.

The previous prime is 624336239. The next prime is 624336253. The reversal of 624336241 is 142633426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575280225 + 49056016 = 23985^2 + 7004^2 .

It is a cyclic number.

It is not a de Polignac number, because 624336241 - 2¹ = 624336239 is a prime.

Together with 624336239, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_32527525 and since 624336241 and 32527525 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (624339241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312168120 + 312168121.

It is an arithmetic number, because the mean of its divisors is an integer number (312168121).

Almost surely, 2^624336241 is an apocalyptic number.

It is an amenable number.

624336241 is a deficient number, since it is larger than the sum of its proper divisors (1).

624336241 is an equidigital number, since it uses as much as digits as its factorization.

624336241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 624336241 is about 24986.7212935191. The cubic root of 624336241 is about 854.6851962820.

Adding to 624336241 its reverse (142633426), we get a palindrome (766969667).

The spelling of 624336241 in words is "six hundred twenty-four million, three hundred thirty-six thousand, two hundred forty-one".