524397 has 4 divisors (see below), whose sum is σ = 699200. Its totient is φ = 349596.

The previous prime is 524389. The next prime is 524411. The reversal of 524397 is 793425.

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 524397 - 2³ = 524389 is a prime.

It is a D-number.

It is a Duffinian number.

524397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524347) 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, 87397 + ... + 87402.

It is an arithmetic number, because the mean of its divisors is an integer number (174800).

2⁵²⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

524397 is a deficient number, since it is larger than the sum of its proper divisors (174803).

524397 is a wasteful number, since it uses less digits than its factorization.

524397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174802.

The product of its digits is 7560, while the sum is 30.

The square root of 524397 is about 724.1526082256. The cubic root of 524397 is about 80.6405348348.

The spelling of 524397 in words is "five hundred twenty-four thousand, three hundred ninety-seven".