531206555272 has 32 divisors (see below), whose sum is σ = 1004267424600. Its totient is φ = 263410527744.

The previous prime is 531206555263. The next prime is 531206555281. The reversal of 531206555272 is 272555602135.

It is an interprime number because it is at equal distance from previous prime (531206555263) and next prime (531206555281).

It can be written as a sum of positive squares in 4 ways, for example, as 512635952196 + 18570603076 = 715986^2 + 136274^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45147 + ... + 1031722.

Almost surely, 2^531206555272 is an apocalyptic number.

It is an amenable number.

531206555272 is a deficient number, since it is larger than the sum of its proper divisors (473060869328).

531206555272 is a wasteful number, since it uses less digits than its factorization.

531206555272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077385 (or 1077381 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 531206555272 in words is "five hundred thirty-one billion, two hundred six million, five hundred fifty-five thousand, two hundred seventy-two".