2531155852 has 12 divisors (see below), whose sum is σ = 4430022520. Its totient is φ = 1265435136.

The previous prime is 2531155841. The next prime is 2531155853. The reversal of 2531155852 is 2585511352.

It is a super-2 number, since 2×2531155852² = 12813499894227691808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2531155853) 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 in 3 ways as a sum of consecutive naturals, for example, 10963 + ... + 71989.

Almost surely, 2^2531155852 is an apocalyptic number.

It is an amenable number.

2531155852 is a deficient number, since it is larger than the sum of its proper divisors (1898866668).

2531155852 is a wasteful number, since it uses less digits than its factorization.

2531155852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71400 (or 71398 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The square root of 2531155852 is about 50310.5938346985. The cubic root of 2531155852 is about 1362.8235477954.

The spelling of 2531155852 in words is "two billion, five hundred thirty-one million, one hundred fifty-five thousand, eight hundred fifty-two".