531147470 has 128 divisors (see below), whose sum is σ = 1219276800. Its totient is φ = 162473472.

The previous prime is 531147467. The next prime is 531147479. The reversal of 531147470 is 74741135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531147479) 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 63 ways as a sum of consecutive naturals, for example, 1812644 + ... + 1812936.

It is an arithmetic number, because the mean of its divisors is an integer number (9525600).

Almost surely, 2^531147470 is an apocalyptic number.

531147470 is an abundant number, since it is smaller than the sum of its proper divisors (688129330).

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

531147470 is a wasteful number, since it uses less digits than its factorization.

531147470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 531147470 is about 23046.6368479221. The cubic root of 531147470 is about 809.8508438458.

The spelling of 531147470 in words is "five hundred thirty-one million, one hundred forty-seven thousand, four hundred seventy".