531451514534 has 4 divisors (see below), whose sum is σ = 797177271804. Its totient is φ = 265725757266.

The previous prime is 531451514507. The next prime is 531451514543. The reversal of 531451514534 is 435415154135.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 531451514491 and 531451514500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132862878632 + ... + 132862878635.

It is an arithmetic number, because the mean of its divisors is an integer number (199294317951).

Almost surely, 2^531451514534 is an apocalyptic number.

531451514534 is a deficient number, since it is larger than the sum of its proper divisors (265725757270).

531451514534 is a wasteful number, since it uses less digits than its factorization.

531451514534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265725757269.

The product of its digits is 360000, while the sum is 41.

Adding to 531451514534 its reverse (435415154135), we get a palindrome (966866668669).

The spelling of 531451514534 in words is "five hundred thirty-one billion, four hundred fifty-one million, five hundred fourteen thousand, five hundred thirty-four".