531479641 has 16 divisors (see below), whose sum is σ = 673492608. Its totient is φ = 407347200.

The previous prime is 531479629. The next prime is 531479693. The reversal of 531479641 is 146974135.

It is a cyclic number.

It is not a de Polignac number, because 531479641 - 2¹¹ = 531477593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531479594 and 531479603.

It is not an unprimeable number, because it can be changed into a prime (531479141) 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 15 ways as a sum of consecutive naturals, for example, 51880 + ... + 61273.

It is an arithmetic number, because the mean of its divisors is an integer number (42093288).

Almost surely, 2^531479641 is an apocalyptic number.

It is an amenable number.

531479641 is a deficient number, since it is larger than the sum of its proper divisors (142012967).

531479641 is a wasteful number, since it uses less digits than its factorization.

531479641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113232.

The product of its digits is 90720, while the sum is 40.

The square root of 531479641 is about 23053.8422177302. The cubic root of 531479641 is about 810.0196311861.

The spelling of 531479641 in words is "five hundred thirty-one million, four hundred seventy-nine thousand, six hundred forty-one".