531641043 has 16 divisors (see below), whose sum is σ = 787988640. Its totient is φ = 354259872.

The previous prime is 531641023. The next prime is 531641059. The reversal of 531641043 is 340146135.

It is not a de Polignac number, because 531641043 - 2¹⁰ = 531640019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 531640998 and 531641016.

It is not an unprimeable number, because it can be changed into a prime (531641023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84805 + ... + 90857.

It is an arithmetic number, because the mean of its divisors is an integer number (49249290).

Almost surely, 2^531641043 is an apocalyptic number.

531641043 is a deficient number, since it is larger than the sum of its proper divisors (256347597).

531641043 is a wasteful number, since it uses less digits than its factorization.

531641043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315 (or 9309 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 531641043 is about 23057.3424964804. The cubic root of 531641043 is about 810.1016196238.

Adding to 531641043 its reverse (340146135), we get a palindrome (871787178).

The spelling of 531641043 in words is "five hundred thirty-one million, six hundred forty-one thousand, forty-three".