531366048 has 96 divisors (see below), whose sum is σ = 1555848000. Its totient is φ = 176433408.

The previous prime is 531366047. The next prime is 531366049. The reversal of 531366048 is 840663135.

It is an interprime number because it is at equal distance from previous prime (531366047) and next prime (531366049).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (531366041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252103 + ... + 254201.

It is an arithmetic number, because the mean of its divisors is an integer number (16206750).

Almost surely, 2^531366048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531366048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777924000).

531366048 is an abundant number, since it is smaller than the sum of its proper divisors (1024481952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531366048 is a wasteful number, since it uses less digits than its factorization.

531366048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 531366048 is about 23051.3784403450. The cubic root of 531366048 is about 809.9619186486.

The spelling of 531366048 in words is "five hundred thirty-one million, three hundred sixty-six thousand, forty-eight".