622959523 has 2 divisors, whose sum is σ = 622959524. Its totient is φ = 622959522.

The previous prime is 622959499. The next prime is 622959529. The reversal of 622959523 is 325959226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622959523 - 2¹³ = 622951331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622959523.

It is not a weakly prime, because it can be changed into another prime (622959529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311479761 + 311479762.

It is an arithmetic number, because the mean of its divisors is an integer number (311479762).

Almost surely, 2^622959523 is an apocalyptic number.

622959523 is a deficient number, since it is larger than the sum of its proper divisors (1).

622959523 is an equidigital number, since it uses as much as digits as its factorization.

622959523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 622959523 is about 24959.1570971457. The cubic root of 622959523 is about 854.0565145136.

The spelling of 622959523 in words is "six hundred twenty-two million, nine hundred fifty-nine thousand, five hundred twenty-three".