531447104 has 14 divisors (see below), whose sum is σ = 1054590474. Its totient is φ = 265723520.

The previous prime is 531447083. The next prime is 531447109. The reversal of 531447104 is 401744135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 430645504 + 100801600 = 20752^2 + 10040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531447109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4151867 + ... + 4151994.

It is an arithmetic number, because the mean of its divisors is an integer number (75327891).

Almost surely, 2^531447104 is an apocalyptic number.

It is an amenable number.

531447104 is a deficient number, since it is larger than the sum of its proper divisors (523143370).

531447104 is an equidigital number, since it uses as much as digits as its factorization.

531447104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303873 (or 8303863 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 531447104 is about 23053.1365328018. The cubic root of 531447104 is about 810.0031011414.

The spelling of 531447104 in words is "five hundred thirty-one million, four hundred forty-seven thousand, one hundred four".