531250403342 has 8 divisors (see below), whose sum is σ = 843750640656. Its totient is φ = 250000189792.

The previous prime is 531250403311. The next prime is 531250403347. The reversal of 531250403342 is 243304052135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 531250403299 and 531250403308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531250403347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7812505898 + ... + 7812505965.

It is an arithmetic number, because the mean of its divisors is an integer number (105468830082).

Almost surely, 2^531250403342 is an apocalyptic number.

531250403342 is a deficient number, since it is larger than the sum of its proper divisors (312500237314).

531250403342 is a wasteful number, since it uses less digits than its factorization.

531250403342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625011882.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 531250403342 its reverse (243304052135), we get a palindrome (774554455477).

The spelling of 531250403342 in words is "five hundred thirty-one billion, two hundred fifty million, four hundred three thousand, three hundred forty-two".