461043531 has 48 divisors (see below), whose sum is σ = 760308640. Its totient is φ = 266872320.

The previous prime is 461043529. The next prime is 461043559. The reversal of 461043531 is 135340164.

461043531 is a `hidden beast` number, since 4 + 610 + 43 + 5 + 3 + 1 = 666.

It is not a de Polignac number, because 461043531 - 2¹ = 461043529 is a prime.

It is a super-2 number, since 2×461043531² = 425122274953895922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461043495 and 461043504.

It is not an unprimeable number, because it can be changed into a prime (461043511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348351 + ... + 349671.

Almost surely, 2^461043531 is an apocalyptic number.

461043531 is a deficient number, since it is larger than the sum of its proper divisors (299265109).

461043531 is a wasteful number, since it uses less digits than its factorization.

461043531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1513 counting only the distinct ones).

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

The square root of 461043531 is about 21471.9242500527. The cubic root of 461043531 is about 772.5275523525.

Adding to 461043531 its reverse (135340164), we get a palindrome (596383695).

The spelling of 461043531 in words is "four hundred sixty-one million, forty-three thousand, five hundred thirty-one".