524006641 has 4 divisors (see below), whose sum is σ = 525217252. Its totient is φ = 522796032.

The previous prime is 524006621. The next prime is 524006647. The reversal of 524006641 is 146600425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253733041 + 270273600 = 15929^2 + 16440^2 .

It is a cyclic number.

It is not a de Polignac number, because 524006641 - 2²¹ = 521909489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524006647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604656 + ... + 605521.

It is an arithmetic number, because the mean of its divisors is an integer number (131304313).

Almost surely, 2^524006641 is an apocalyptic number.

It is an amenable number.

524006641 is a deficient number, since it is larger than the sum of its proper divisors (1210611).

524006641 is a wasteful number, since it uses less digits than its factorization.

524006641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210610.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 524006641 is about 22891.1913407756. The cubic root of 524006641 is about 806.2052037207.

The spelling of 524006641 in words is "five hundred twenty-four million, six thousand, six hundred forty-one".