1047672539 has 2 divisors, whose sum is σ = 1047672540. Its totient is φ = 1047672538.

The previous prime is 1047672503. The next prime is 1047672541. The reversal of 1047672539 is 9352767401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1047672539 - 2¹² = 1047668443 is a prime.

Together with 1047672541, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047672539.

It is not a weakly prime, because it can be changed into another prime (1047672569) 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, 523836269 + 523836270.

It is an arithmetic number, because the mean of its divisors is an integer number (523836270).

Almost surely, 2^1047672539 is an apocalyptic number.

1047672539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047672539 is an equidigital number, since it uses as much as digits as its factorization.

1047672539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1047672539 is about 32367.7700652980. The cubic root of 1047672539 is about 1015.6448098498.

The spelling of 1047672539 in words is "one billion, forty-seven million, six hundred seventy-two thousand, five hundred thirty-nine".