531536061 has 8 divisors (see below), whose sum is σ = 809959744. Its totient is φ = 303734880.

The previous prime is 531536051. The next prime is 531536063. The reversal of 531536061 is 160635135.

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

It is not a de Polignac number, because 531536061 - 2⁶ = 531535997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531536063) 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 7 ways as a sum of consecutive naturals, for example, 12655600 + ... + 12655641.

It is an arithmetic number, because the mean of its divisors is an integer number (101244968).

Almost surely, 2^531536061 is an apocalyptic number.

It is an amenable number.

531536061 is a deficient number, since it is larger than the sum of its proper divisors (278423683).

531536061 is a wasteful number, since it uses less digits than its factorization.

531536061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25311251.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 531536061 is about 23055.0658424564. The cubic root of 531536061 is about 810.0482931121.

The spelling of 531536061 in words is "five hundred thirty-one million, five hundred thirty-six thousand, sixty-one".