531155002 has 12 divisors (see below), whose sum is σ = 926811450. Its totient is φ = 227637816.

The previous prime is 531154997. The next prime is 531155011. The reversal of 531155002 is 200551135.

It can be written as a sum of positive squares in only one way, i.e., 453732601 + 77422401 = 21301^2 + 8799^2 .

It is a super-2 number, since 2×531155002² = 564251272299240008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2709877 + ... + 2710072.

Almost surely, 2^531155002 is an apocalyptic number.

531155002 is a deficient number, since it is larger than the sum of its proper divisors (395656448).

531155002 is a wasteful number, since it uses less digits than its factorization.

531155002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419965 (or 5419958 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 531155002 is about 23046.8002551330. The cubic root of 531155002 is about 809.8546718899.

The spelling of 531155002 in words is "five hundred thirty-one million, one hundred fifty-five thousand, two".