590945 has 4 divisors (see below), whose sum is σ = 709140. Its totient is φ = 472752.

The previous prime is 590929. The next prime is 590959. The reversal of 590945 is 549095.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549095 = 5 ⋅109819.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 169744 = 649^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 590945 - 2⁴ = 590929 is a prime.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59090 + ... + 59099.

It is an arithmetic number, because the mean of its divisors is an integer number (177285).

590945 is a Friedman number, since it can be written as 5+90*(9^4+5), using all its digits and the basic arithmetic operations.

2⁵⁹⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

590945 is a deficient number, since it is larger than the sum of its proper divisors (118195).

590945 is a wasteful number, since it uses less digits than its factorization.

590945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118194.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 590945 is about 768.7294712706. The cubic root of 590945 is about 83.9168205325.

The spelling of 590945 in words is "five hundred ninety thousand, nine hundred forty-five".