524787993 has 6 divisors (see below), whose sum is σ = 758027114. Its totient is φ = 349858656.

The previous prime is 524787919. The next prime is 524788049. The reversal of 524787993 is 399787425.

It can be written as a sum of positive squares in only one way, i.e., 394896384 + 129891609 = 19872^2 + 11397^2 .

It is not a de Polignac number, because 524787993 - 2⁸ = 524787737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524787493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29154880 + ... + 29154897.

Almost surely, 2^524787993 is an apocalyptic number.

It is an amenable number.

524787993 is a deficient number, since it is larger than the sum of its proper divisors (233239121).

524787993 is a wasteful number, since it uses less digits than its factorization.

524787993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58309783 (or 58309780 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 524787993 is about 22908.2516356007. The cubic root of 524787993 is about 806.6057184977.

The spelling of 524787993 in words is "five hundred twenty-four million, seven hundred eighty-seven thousand, nine hundred ninety-three".