620159 has 2 divisors, whose sum is σ = 620160. Its totient is φ = 620158.

The previous prime is 620117. The next prime is 620161. The reversal of 620159 is 951026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620159 is a prime.

It is a Sophie Germain prime.

Together with 620161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620159.

It is not a weakly prime, because it can be changed into another prime (620359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310079 + 310080.

It is an arithmetic number, because the mean of its divisors is an integer number (310080).

2⁶²⁰¹⁵⁹ is an apocalyptic number.

620159 is a deficient number, since it is larger than the sum of its proper divisors (1).

620159 is an equidigital number, since it uses as much as digits as its factorization.

620159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 620159 is about 787.5017460298. The cubic root of 620159 is about 85.2774784357.

The spelling of 620159 in words is "six hundred twenty thousand, one hundred fifty-nine".