547274647 has 2 divisors, whose sum is σ = 547274648. Its totient is φ = 547274646.

The previous prime is 547274621. The next prime is 547274671. The reversal of 547274647 is 746472745.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547274647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 547274597 and 547274606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547274687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273637323 + 273637324.

It is an arithmetic number, because the mean of its divisors is an integer number (273637324).

Almost surely, 2^547274647 is an apocalyptic number.

547274647 is a deficient number, since it is larger than the sum of its proper divisors (1).

547274647 is an equidigital number, since it uses as much as digits as its factorization.

547274647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 46.

The square root of 547274647 is about 23393.9019190899. The cubic root of 547274647 is about 817.9657323697.

The spelling of 547274647 in words is "five hundred forty-seven million, two hundred seventy-four thousand, six hundred forty-seven".