623586241 has 2 divisors, whose sum is σ = 623586242. Its totient is φ = 623586240.

The previous prime is 623586239. The next prime is 623586247. The reversal of 623586241 is 142685326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528816016 + 94770225 = 22996^2 + 9735^2 .

It is a cyclic number.

It is not a de Polignac number, because 623586241 - 2¹ = 623586239 is a prime.

Together with 623586239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 623586241.

It is not a weakly prime, because it can be changed into another prime (623586247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311793120 + 311793121.

It is an arithmetic number, because the mean of its divisors is an integer number (311793121).

Almost surely, 2^623586241 is an apocalyptic number.

It is an amenable number.

623586241 is a deficient number, since it is larger than the sum of its proper divisors (1).

623586241 is an equidigital number, since it uses as much as digits as its factorization.

623586241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 623586241 is about 24971.7088121738. The cubic root of 623586241 is about 854.3428216102.

The spelling of 623586241 in words is "six hundred twenty-three million, five hundred eighty-six thousand, two hundred forty-one".