1082649287 has 2 divisors, whose sum is σ = 1082649288. Its totient is φ = 1082649286.

The previous prime is 1082649263. The next prime is 1082649331. The reversal of 1082649287 is 7829462801.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7829462801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1082649287 - 2⁶ = 1082649223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1082645287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541324643 + 541324644.

It is an arithmetic number, because the mean of its divisors is an integer number (541324644).

Almost surely, 2^1082649287 is an apocalyptic number.

1082649287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082649287 is an equidigital number, since it uses as much as digits as its factorization.

1082649287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1082649287 is about 32903.6363795858. The cubic root of 1082649287 is about 1026.8238120454.

The spelling of 1082649287 in words is "one billion, eighty-two million, six hundred forty-nine thousand, two hundred eighty-seven".