524042393 has 4 divisors (see below), whose sum is σ = 598905600. Its totient is φ = 449179188.

The previous prime is 524042381. The next prime is 524042417. The reversal of 524042393 is 393240425.

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 a cyclic number.

It is not a de Polignac number, because 524042393 - 2⁴ = 524042377 is a prime.

It is a super-2 number, since 2×524042393² = 549240859322332898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524042593) 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, 37431593 + ... + 37431606.

It is an arithmetic number, because the mean of its divisors is an integer number (149726400).

Almost surely, 2^524042393 is an apocalyptic number.

It is an amenable number.

524042393 is a deficient number, since it is larger than the sum of its proper divisors (74863207).

524042393 is an equidigital number, since it uses as much as digits as its factorization.

524042393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74863206.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 524042393 is about 22891.9722391934. The cubic root of 524042393 is about 806.2235385983.

The spelling of 524042393 in words is "five hundred twenty-four million, forty-two thousand, three hundred ninety-three".