524534661 has 36 divisors (see below), whose sum is σ = 882984492. Its totient is φ = 299182464.

The previous prime is 524534639. The next prime is 524534701. The reversal of 524534661 is 166435425.

It can be written as a sum of positive squares in 2 ways, for example, as 368409636 + 156125025 = 19194^2 + 12495^2 .

It is not a de Polignac number, because 524534661 - 2¹³ = 524526469 is a prime.

It is a super-2 number, since 2×524534661² = 550273221180769842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524532661) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 439081 + ... + 440273.

It is an arithmetic number, because the mean of its divisors is an integer number (24527347).

Almost surely, 2^524534661 is an apocalyptic number.

It is an amenable number.

524534661 is a deficient number, since it is larger than the sum of its proper divisors (358449831).

524534661 is a wasteful number, since it uses less digits than its factorization.

524534661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2200 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 524534661 is about 22902.7216941568. The cubic root of 524534661 is about 806.4759061215.

The spelling of 524534661 in words is "five hundred twenty-four million, five hundred thirty-four thousand, six hundred sixty-one".