1047459547 has 2 divisors, whose sum is σ = 1047459548. Its totient is φ = 1047459546.

The previous prime is 1047459541. The next prime is 1047459557. The reversal of 1047459547 is 7459547401.

It is a weak prime.

It is an emirp because it is prime and its reverse (7459547401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047459547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1047459497 and 1047459506.

It is not a weakly prime, because it can be changed into another prime (1047459541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523729773 + 523729774.

It is an arithmetic number, because the mean of its divisors is an integer number (523729774).

Almost surely, 2^1047459547 is an apocalyptic number.

1047459547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047459547 is an equidigital number, since it uses as much as digits as its factorization.

1047459547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 1047459547 is about 32364.4797115603. The cubic root of 1047459547 is about 1015.5759782660.

The spelling of 1047459547 in words is "one billion, forty-seven million, four hundred fifty-nine thousand, five hundred forty-seven".