531852985 has 8 divisors (see below), whose sum is σ = 655473096. Its totient is φ = 413982720.

The previous prime is 531852983. The next prime is 531853027. The reversal of 531852985 is 589258135.

It can be written as a sum of positive squares in 4 ways, for example, as 196084009 + 335768976 = 14003^2 + 18324^2 .

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

It is not a de Polignac number, because 531852985 - 2¹ = 531852983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531852983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437256 + ... + 1437625.

It is an arithmetic number, because the mean of its divisors is an integer number (81934137).

Almost surely, 2^531852985 is an apocalyptic number.

It is an amenable number.

531852985 is a deficient number, since it is larger than the sum of its proper divisors (123620111).

531852985 is a wasteful number, since it uses less digits than its factorization.

531852985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874923.

The product of its digits is 432000, while the sum is 46.

The square root of 531852985 is about 23061.9380148330. The cubic root of 531852985 is about 810.2092560005.

The spelling of 531852985 in words is "five hundred thirty-one million, eight hundred fifty-two thousand, nine hundred eighty-five".