531354150545 has 4 divisors (see below), whose sum is σ = 637624980660. Its totient is φ = 425083320432.

The previous prime is 531354150491. The next prime is 531354150629. The reversal of 531354150545 is 545051453135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 321362004544 + 209992146001 = 566888^2 + 458249^2 .

It is a cyclic number.

It is not a de Polignac number, because 531354150545 - 2¹⁴ = 531354134161 is a prime.

It is an unprimeable number.

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, 53135415050 + ... + 53135415059.

It is an arithmetic number, because the mean of its divisors is an integer number (159406245165).

Almost surely, 2^531354150545 is an apocalyptic number.

It is an amenable number.

531354150545 is a deficient number, since it is larger than the sum of its proper divisors (106270830115).

531354150545 is a wasteful number, since it uses less digits than its factorization.

531354150545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106270830114.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 531354150545 in words is "five hundred thirty-one billion, three hundred fifty-four million, one hundred fifty thousand, five hundred forty-five".