531535534 has 4 divisors (see below), whose sum is σ = 797303304. Its totient is φ = 265767766.

The previous prime is 531535531. The next prime is 531535547. The reversal of 531535534 is 435535135.

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

It is a self number, because there is not a number n which added to its sum of digits gives 531535534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531535531) by changing a digit.

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 as a sum of consecutive naturals, namely, 132883882 + ... + 132883885.

It is an arithmetic number, because the mean of its divisors is an integer number (199325826).

Almost surely, 2^531535534 is an apocalyptic number.

531535534 is a deficient number, since it is larger than the sum of its proper divisors (265767770).

531535534 is a wasteful number, since it uses less digits than its factorization.

531535534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265767769.

The product of its digits is 67500, while the sum is 34.

The square root of 531535534 is about 23055.0544132951. The cubic root of 531535534 is about 810.0480254002.

The spelling of 531535534 in words is "five hundred thirty-one million, five hundred thirty-five thousand, five hundred thirty-four".