524983987 has 16 divisors (see below), whose sum is σ = 607997664. Its totient is φ = 448000000.

The previous prime is 524983939. The next prime is 524983999. The reversal of 524983987 is 789389425.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524983987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524983387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71487 + ... + 78487.

It is an arithmetic number, because the mean of its divisors is an integer number (37999854).

Almost surely, 2^524983987 is an apocalyptic number.

524983987 is a deficient number, since it is larger than the sum of its proper divisors (83013677).

524983987 is a wasteful number, since it uses less digits than its factorization.

524983987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430.

The product of its digits is 4354560, while the sum is 55.

The square root of 524983987 is about 22912.5290398070. The cubic root of 524983987 is about 806.7061210772.

The spelling of 524983987 in words is "five hundred twenty-four million, nine hundred eighty-three thousand, nine hundred eighty-seven".