524392993 has 24 divisors (see below), whose sum is σ = 575619840. Its totient is φ = 476649600.

The previous prime is 524392949. The next prime is 524393017. The reversal of 524392993 is 399293425.

It is a happy number.

It is not a de Polignac number, because 524392993 - 2²¹ = 522295841 is a prime.

It is a super-2 number, since 2×524392993² = 549976022214996098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (524392903) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1511046 + ... + 1511392.

It is an arithmetic number, because the mean of its divisors is an integer number (23984160).

Almost surely, 2^524392993 is an apocalyptic number.

It is an amenable number.

524392993 is a deficient number, since it is larger than the sum of its proper divisors (51226847).

524392993 is a wasteful number, since it uses less digits than its factorization.

524392993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 448 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The square root of 524392993 is about 22899.6286651116. The cubic root of 524392993 is about 806.4032943861.

The spelling of 524392993 in words is "five hundred twenty-four million, three hundred ninety-two thousand, nine hundred ninety-three".