620237 has 2 divisors, whose sum is σ = 620238. Its totient is φ = 620236.

The previous prime is 620233. The next prime is 620239. The reversal of 620237 is 732026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 121801 = 706^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 620237 - 2² = 620233 is a prime.

Together with 620239, 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 620237.

It is not a weakly prime, because it can be changed into another prime (620233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310118 + 310119.

It is an arithmetic number, because the mean of its divisors is an integer number (310119).

2⁶²⁰²³⁷ is an apocalyptic number.

It is an amenable number.

620237 is a deficient number, since it is larger than the sum of its proper divisors (1).

620237 is an equidigital number, since it uses as much as digits as its factorization.

620237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 620237 is about 787.5512681724. The cubic root of 620237 is about 85.2810535213.

The spelling of 620237 in words is "six hundred twenty thousand, two hundred thirty-seven".