531054811 has 8 divisors (see below), whose sum is σ = 617207040. Its totient is φ = 447474408.

The previous prime is 531054793. The next prime is 531054829. The reversal of 531054811 is 118450135.

It is an interprime number because it is at equal distance from previous prime (531054793) and next prime (531054829).

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

It is not a de Polignac number, because 531054811 - 2⁷ = 531054683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531054811.

It is not an unprimeable number, because it can be changed into a prime (531054841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642511 + ... + 643336.

It is an arithmetic number, because the mean of its divisors is an integer number (77150880).

Almost surely, 2^531054811 is an apocalyptic number.

531054811 is a deficient number, since it is larger than the sum of its proper divisors (86152229).

531054811 is a wasteful number, since it uses less digits than its factorization.

531054811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285913.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 531054811 is about 23044.6265103169. The cubic root of 531054811 is about 809.8037481159.

The spelling of 531054811 in words is "five hundred thirty-one million, fifty-four thousand, eight hundred eleven".