2492005687 has 2 divisors, whose sum is σ = 2492005688. Its totient is φ = 2492005686.

The previous prime is 2492005669. The next prime is 2492005693. The reversal of 2492005687 is 7865002942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2492005687 - 2³¹ = 344522039 is a prime.

It is a super-3 number, since 3×2492005687³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2492005627) 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 as a sum of consecutive naturals, namely, 1246002843 + 1246002844.

It is an arithmetic number, because the mean of its divisors is an integer number (1246002844).

Almost surely, 2^2492005687 is an apocalyptic number.

2492005687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2492005687 is an equidigital number, since it uses as much as digits as its factorization.

2492005687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2492005687 is about 49919.9928585732. The cubic root of 2492005687 is about 1355.7606032756.

The spelling of 2492005687 in words is "two billion, four hundred ninety-two million, five thousand, six hundred eighty-seven".