523477 has 4 divisors (see below), whose sum is σ = 527436. Its totient is φ = 519520.

The previous prime is 523463. The next prime is 523487. The reversal of 523477 is 774325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 125316 = 631^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 523477 - 2⁷ = 523349 is a prime.

It is a Duffinian number.

523477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523417) 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, 1774 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (131859).

2⁵²³⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

523477 is a deficient number, since it is larger than the sum of its proper divisors (3959).

523477 is a wasteful number, since it uses less digits than its factorization.

523477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its digits is 5880, while the sum is 28.

The square root of 523477 is about 723.5171041517. The cubic root of 523477 is about 80.5933487524.

It can be divided in two parts, 523 and 477, that added together give a cube (1000 = 10³).

The spelling of 523477 in words is "five hundred twenty-three thousand, four hundred seventy-seven".