2546987 has 2 divisors, whose sum is σ = 2546988. Its totient is φ = 2546986.

The previous prime is 2546959. The next prime is 2547029. The reversal of 2546987 is 7896452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2546987 - 2²⁰ = 1498411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2542987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273493 + 1273494.

It is an arithmetic number, because the mean of its divisors is an integer number (1273494).

2^2546987 is an apocalyptic number.

2546987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546987 is an equidigital number, since it uses as much as digits as its factorization.

2546987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 2546987 is about 1595.9282565329. The cubic root of 2546987 is about 136.5658910726.

The spelling of 2546987 in words is "two million, five hundred forty-six thousand, nine hundred eighty-seven".