620593 has 4 divisors (see below), whose sum is σ = 624240. Its totient is φ = 616948.

The previous prime is 620579. The next prime is 620603. The reversal of 620593 is 395026.

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 620593 - 2⁵ = 620561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620393) 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, 1555 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (156060).

2⁶²⁰⁵⁹³ is an apocalyptic number.

It is an amenable number.

620593 is a deficient number, since it is larger than the sum of its proper divisors (3647).

620593 is a wasteful number, since it uses less digits than its factorization.

620593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 620593 is about 787.7772527815. Note that the first 3 decimals coincide. The cubic root of 620593 is about 85.2973667737.

The spelling of 620593 in words is "six hundred twenty thousand, five hundred ninety-three".