547631641 has 2 divisors, whose sum is σ = 547631642. Its totient is φ = 547631640.

The previous prime is 547631551. The next prime is 547631657. The reversal of 547631641 is 146136745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282072025 + 265559616 = 16795^2 + 16296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547631641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 547631641.

It is not a weakly prime, because it can be changed into another prime (547634641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273815820 + 273815821.

It is an arithmetic number, because the mean of its divisors is an integer number (273815821).

Almost surely, 2^547631641 is an apocalyptic number.

It is an amenable number.

547631641 is a deficient number, since it is larger than the sum of its proper divisors (1).

547631641 is an equidigital number, since it uses as much as digits as its factorization.

547631641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 547631641 is about 23401.5307405306. The cubic root of 547631641 is about 818.1435500886.

The spelling of 547631641 in words is "five hundred forty-seven million, six hundred thirty-one thousand, six hundred forty-one".