2008402531 has 2 divisors, whose sum is σ = 2008402532. Its totient is φ = 2008402530.

The previous prime is 2008402523. The next prime is 2008402547. The reversal of 2008402531 is 1352048002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2008402531 - 2³ = 2008402523 is a prime.

It is a super-2 number, since 2×2008402531² = 8067361453054411922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2008402496 and 2008402505.

It is not a weakly prime, because it can be changed into another prime (2008402031) 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 as a sum of consecutive naturals, namely, 1004201265 + 1004201266.

It is an arithmetic number, because the mean of its divisors is an integer number (1004201266).

Almost surely, 2^2008402531 is an apocalyptic number.

2008402531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008402531 is an equidigital number, since it uses as much as digits as its factorization.

2008402531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2008402531 is about 44815.2042391865. The cubic root of 2008402531 is about 1261.6830056590.

The spelling of 2008402531 in words is "two billion, eight million, four hundred two thousand, five hundred thirty-one".