620433523 has 2 divisors, whose sum is σ = 620433524. Its totient is φ = 620433522.

The previous prime is 620433521. The next prime is 620433553. The reversal of 620433523 is 325334026.

620433523 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 is a cyclic number.

It is not a de Polignac number, because 620433523 - 2¹ = 620433521 is a prime.

Together with 620433521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 620433491 and 620433500.

It is not a weakly prime, because it can be changed into another prime (620433521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310216761 + 310216762.

It is an arithmetic number, because the mean of its divisors is an integer number (310216762).

Almost surely, 2^620433523 is an apocalyptic number.

620433523 is a deficient number, since it is larger than the sum of its proper divisors (1).

620433523 is an equidigital number, since it uses as much as digits as its factorization.

620433523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 620433523 is about 24908.5030260753. The cubic root of 620433523 is about 852.9005971228.

Adding to 620433523 its reverse (325334026), we get a palindrome (945767549).

The spelling of 620433523 in words is "six hundred twenty million, four hundred thirty-three thousand, five hundred twenty-three".