2012531 has 2 divisors, whose sum is σ = 2012532. Its totient is φ = 2012530.

The previous prime is 2012519. The next prime is 2012533. The reversal of 2012531 is 1352102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012531 - 2¹⁰ = 2011507 is a prime.

It is a super-2 number, since 2×2012531² = 8100562051922, which contains 22 as substring.

Together with 2012533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2012533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006265 + 1006266.

It is an arithmetic number, because the mean of its divisors is an integer number (1006266).

2^2012531 is an apocalyptic number.

2012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012531 is an equidigital number, since it uses as much as digits as its factorization.

2012531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2012531 is about 1418.6370219334. The cubic root of 2012531 is about 126.2546918493.

Adding to 2012531 its reverse (1352102), we get a palindrome (3364633).

The spelling of 2012531 in words is "two million, twelve thousand, five hundred thirty-one".