531276903 has 12 divisors (see below), whose sum is σ = 767921128. Its totient is φ = 353944080.

The previous prime is 531276901. The next prime is 531276923. The reversal of 531276903 is 309672135.

It is not a de Polignac number, because 531276903 - 2¹ = 531276901 is a prime.

It is a super-2 number, since 2×531276903² = 564510295322542818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531276901) 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 11 ways as a sum of consecutive naturals, for example, 5500 + ... + 33057.

Almost surely, 2^531276903 is an apocalyptic number.

531276903 is a deficient number, since it is larger than the sum of its proper divisors (236644225).

531276903 is a wasteful number, since it uses less digits than its factorization.

531276903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40094 (or 40091 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 531276903 is about 23049.4447438545. Note that the first 3 decimals coincide. The cubic root of 531276903 is about 809.9166215045.

It can be divided in two parts, 5312 and 76903, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 531276903 in words is "five hundred thirty-one million, two hundred seventy-six thousand, nine hundred three".