531080698 has 4 divisors (see below), whose sum is σ = 796621050. Its totient is φ = 265540348.

The previous prime is 531080687. The next prime is 531080699. The reversal of 531080698 is 896080135.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 428200249 + 102880449 = 20693^2 + 10143^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 531080698.

It is not an unprimeable number, because it can be changed into a prime (531080699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132770173 + ... + 132770176.

Almost surely, 2^531080698 is an apocalyptic number.

531080698 is a deficient number, since it is larger than the sum of its proper divisors (265540352).

531080698 is a wasteful number, since it uses less digits than its factorization.

531080698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265540351.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 531080698 is about 23045.1881745409. The cubic root of 531080698 is about 809.8169062361.

The spelling of 531080698 in words is "five hundred thirty-one million, eighty thousand, six hundred ninety-eight".