523315 has 16 divisors (see below), whose sum is σ = 691488. Its totient is φ = 377856.

The previous prime is 523307. The next prime is 523333. The reversal of 523315 is 513325.

523315 = T₉₃ + T₉₄ + ... + T₁₅₇.

It is a cyclic number.

It is not a de Polignac number, because 523315 - 2³ = 523307 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 523292 and 523301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5347 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (43218).

2⁵²³³¹⁵ is an apocalyptic number.

523315 is a deficient number, since it is larger than the sum of its proper divisors (168173).

523315 is a wasteful number, since it uses less digits than its factorization.

523315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its digits is 450, while the sum is 19.

The square root of 523315 is about 723.4051423649. The cubic root of 523315 is about 80.5850341753.

It can be divided in two parts, 523 and 315, that added together give a palindrome (838).

The spelling of 523315 in words is "five hundred twenty-three thousand, three hundred fifteen".