531042263 has 8 divisors (see below), whose sum is σ = 538261200. Its totient is φ = 523851328.

The previous prime is 531042247. The next prime is 531042269. The reversal of 531042263 is 362240135.

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

It is a cyclic number.

It is not a de Polignac number, because 531042263 - 2⁴ = 531042247 is a prime.

It is a super-2 number, since 2×531042263² = 564011770184322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531042269) 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, 32693 + ... + 46161.

It is an arithmetic number, because the mean of its divisors is an integer number (67282650).

Almost surely, 2^531042263 is an apocalyptic number.

531042263 is a deficient number, since it is larger than the sum of its proper divisors (7218937).

531042263 is a wasteful number, since it uses less digits than its factorization.

531042263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 531042263 is about 23044.3542543505. The cubic root of 531042263 is about 809.7973699309.

Adding to 531042263 its reverse (362240135), we get a palindrome (893282398).

The spelling of 531042263 in words is "five hundred thirty-one million, forty-two thousand, two hundred sixty-three".