620057 has 4 divisors (see below), whose sum is σ = 647040. Its totient is φ = 593076.

The previous prime is 620051. The next prime is 620099. The reversal of 620057 is 750026.

620057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620057 - 2¹⁰ = 619033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13457 + ... + 13502.

It is an arithmetic number, because the mean of its divisors is an integer number (161760).

2⁶²⁰⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

620057 is a deficient number, since it is larger than the sum of its proper divisors (26983).

620057 is a wasteful number, since it uses less digits than its factorization.

620057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26982.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 620057 is about 787.4369816055. The cubic root of 620057 is about 85.2728028715.

The spelling of 620057 in words is "six hundred twenty thousand, fifty-seven".