575506 has 8 divisors (see below), whose sum is σ = 900864. Its totient is φ = 275220.

The previous prime is 575503. The next prime is 575513. The reversal of 575506 is 605575.

575506 = 29² + 30² + ... + 120².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (575503) 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, 6210 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (112608).

2⁵⁷⁵⁵⁰⁶ is an apocalyptic number.

575506 is the 406-th centered heptagonal number.

575506 is a deficient number, since it is larger than the sum of its proper divisors (325358).

575506 is a wasteful number, since it uses less digits than its factorization.

575506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 575506 is about 758.6211175547. The cubic root of 575506 is about 83.1795599751.

It can be divided in two parts, 575 and 506, that added together give a triangular number (1081 = T₄₆).

The spelling of 575506 in words is "five hundred seventy-five thousand, five hundred six".