531011463 has 4 divisors (see below), whose sum is σ = 708015288. Its totient is φ = 354007640.

The previous prime is 531011443. The next prime is 531011477. The reversal of 531011463 is 364110135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531011463 - 2⁸ = 531011207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531011443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88501908 + ... + 88501913.

It is an arithmetic number, because the mean of its divisors is an integer number (177003822).

Almost surely, 2^531011463 is an apocalyptic number.

531011463 is a deficient number, since it is larger than the sum of its proper divisors (177003825).

531011463 is a wasteful number, since it uses less digits than its factorization.

531011463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177003824.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 531011463 is about 23043.6859681779. The cubic root of 531011463 is about 809.7817137752.

Adding to 531011463 its reverse (364110135), we get a palindrome (895121598).

The spelling of 531011463 in words is "five hundred thirty-one million, eleven thousand, four hundred sixty-three".