712857547 has 2 divisors, whose sum is σ = 712857548. Its totient is φ = 712857546.

The previous prime is 712857533. The next prime is 712857553. The reversal of 712857547 is 745758217.

It is a strong prime.

It is an emirp because it is prime and its reverse (745758217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712857547 - 2¹¹ = 712855499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712857497 and 712857506.

It is not a weakly prime, because it can be changed into another prime (712857247) 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, 356428773 + 356428774.

It is an arithmetic number, because the mean of its divisors is an integer number (356428774).

Almost surely, 2^712857547 is an apocalyptic number.

712857547 is a deficient number, since it is larger than the sum of its proper divisors (1).

712857547 is an equidigital number, since it uses as much as digits as its factorization.

712857547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548800, while the sum is 46.

The square root of 712857547 is about 26699.3922590010. The cubic root of 712857547 is about 893.3073704894.

The spelling of 712857547 in words is "seven hundred twelve million, eight hundred fifty-seven thousand, five hundred forty-seven".