2029531 has 16 divisors (see below), whose sum is σ = 2430400. Its totient is φ = 1693440.

The previous prime is 2029501. The next prime is 2029549. The reversal of 2029531 is 1359202.

It is not a de Polignac number, because 2029531 - 2⁵ = 2029499 is a prime.

It is a super-2 number, since 2×2029531² = 8237992159922, which contains 22 as substring.

2029531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2029501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20875 + ... + 20971.

It is an arithmetic number, because the mean of its divisors is an integer number (151900).

2^2029531 is an apocalyptic number.

2029531 is a deficient number, since it is larger than the sum of its proper divisors (400869).

2029531 is an frugal number, since it uses more digits than its factorization.

2029531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2029531 is about 1424.6160886358. The cubic root of 2029531 is about 126.6091898356.

The spelling of 2029531 in words is "two million, twenty-nine thousand, five hundred thirty-one".