531461172 has 24 divisors (see below), whose sum is σ = 1352810592. Its totient is φ = 161048800.

The previous prime is 531461149. The next prime is 531461173. The reversal of 531461172 is 271164135.

It is a super-2 number, since 2×531461172² = 564901954687227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531461173) 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, 2012979 + ... + 2013242.

It is an arithmetic number, because the mean of its divisors is an integer number (56367108).

Almost surely, 2^531461172 is an apocalyptic number.

It is an amenable number.

531461172 is an abundant number, since it is smaller than the sum of its proper divisors (821349420).

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

531461172 is a wasteful number, since it uses less digits than its factorization.

531461172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026239 (or 4026237 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 531461172 is about 23053.4416519530. The cubic root of 531461172 is about 810.0102483081.

The spelling of 531461172 in words is "five hundred thirty-one million, four hundred sixty-one thousand, one hundred seventy-two".