624497 has 2 divisors, whose sum is σ = 624498. Its totient is φ = 624496.

The previous prime is 624487. The next prime is 624509. The reversal of 624497 is 794426.

624497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495616 + 128881 = 704^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 624497 - 2⁸ = 624241 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (624467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312248 + 312249.

It is an arithmetic number, because the mean of its divisors is an integer number (312249).

2⁶²⁴⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

624497 is a deficient number, since it is larger than the sum of its proper divisors (1).

624497 is an equidigital number, since it uses as much as digits as its factorization.

624497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 624497 is about 790.2512258769. The cubic root of 624497 is about 85.4758547006.

The spelling of 624497 in words is "six hundred twenty-four thousand, four hundred ninety-seven".