2006042531 has 2 divisors, whose sum is σ = 2006042532. Its totient is φ = 2006042530.

The previous prime is 2006042459. The next prime is 2006042561. The reversal of 2006042531 is 1352406002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006042531 is a prime.

It is a super-2 number, since 2×2006042531² = 8048413272361771922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2006042497 and 2006042506.

It is not a weakly prime, because it can be changed into another prime (2006042561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003021265 + 1003021266.

It is an arithmetic number, because the mean of its divisors is an integer number (1003021266).

Almost surely, 2^2006042531 is an apocalyptic number.

2006042531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006042531 is an equidigital number, since it uses as much as digits as its factorization.

2006042531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2006042531 is about 44788.8661499708. The cubic root of 2006042531 is about 1261.1886261894.

Adding to 2006042531 its reverse (1352406002), we get a palindrome (3358448533).

The spelling of 2006042531 in words is "two billion, six million, forty-two thousand, five hundred thirty-one".