531265041 has 8 divisors (see below), whose sum is σ = 787059360. Its totient is φ = 354176676.

The previous prime is 531264991. The next prime is 531265103. The reversal of 531265041 is 140562135.

531265041 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 650 + 4 + 1 = 666.

It is not a de Polignac number, because 531265041 - 2⁷ = 531264913 is a prime.

It is a super-3 number, since 3×531265041³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 19676483 = 531265041 / (5 + 3 + 1 + 2 + 6 + 5 + 0 + 4 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 531264996 and 531265014.

It is not an unprimeable number, because it can be changed into a prime (531965041) 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, 9838215 + ... + 9838268.

It is an arithmetic number, because the mean of its divisors is an integer number (98382420).

Almost surely, 2^531265041 is an apocalyptic number.

It is an amenable number.

531265041 is a deficient number, since it is larger than the sum of its proper divisors (255794319).

531265041 is a wasteful number, since it uses less digits than its factorization.

531265041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19676492 (or 19676486 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 531265041 is about 23049.1874260244. The cubic root of 531265041 is about 809.9105936984.

The spelling of 531265041 in words is "five hundred thirty-one million, two hundred sixty-five thousand, forty-one".