531480450 has 24 divisors (see below), whose sum is σ = 1318071888. Its totient is φ = 141728080.

The previous prime is 531480431. The next prime is 531480451. The reversal of 531480450 is 54084135.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (531480451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1771452 + ... + 1771751.

It is an arithmetic number, because the mean of its divisors is an integer number (54919662).

Almost surely, 2^531480450 is an apocalyptic number.

531480450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531480450 is an abundant number, since it is smaller than the sum of its proper divisors (786591438).

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

531480450 is a wasteful number, since it uses less digits than its factorization.

531480450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543218 (or 3543213 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 531480450 is about 23053.8597636057. The cubic root of 531480450 is about 810.0200421805.

The spelling of 531480450 in words is "five hundred thirty-one million, four hundred eighty thousand, four hundred fifty".