524240642 has 8 divisors (see below), whose sum is σ = 807614076. Its totient is φ = 255035952.

The previous prime is 524240599. The next prime is 524240663. The reversal of 524240642 is 246042425.

It can be written as a sum of positive squares in 2 ways, for example, as 522076801 + 2163841 = 22849^2 + 1471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542093 + ... + 3542240.

Almost surely, 2^524240642 is an apocalyptic number.

524240642 is a deficient number, since it is larger than the sum of its proper divisors (283373434).

524240642 is a wasteful number, since it uses less digits than its factorization.

524240642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084372.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 524240642 is about 22896.3019284774. The cubic root of 524240642 is about 806.3251924984.

The spelling of 524240642 in words is "five hundred twenty-four million, two hundred forty thousand, six hundred forty-two".