523469 has 4 divisors (see below), whose sum is σ = 551040. Its totient is φ = 495900.

The previous prime is 523463. The next prime is 523487. The reversal of 523469 is 964325.

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 not a de Polignac number, because 523469 - 2⁸ = 523213 is a prime.

It is a super-2 number, since 2×523469² = 548039587922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523463) 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, 13757 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2⁵²³⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

523469 is a deficient number, since it is larger than the sum of its proper divisors (27571).

523469 is a wasteful number, since it uses less digits than its factorization.

523469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27570.

The product of its digits is 6480, while the sum is 29.

The square root of 523469 is about 723.5115755812. The cubic root of 523469 is about 80.5929381963.

The spelling of 523469 in words is "five hundred twenty-three thousand, four hundred sixty-nine".