547144641 has 12 divisors (see below), whose sum is σ = 811680532. Its totient is φ = 354904416.

The previous prime is 547144639. The next prime is 547144649. The reversal of 547144641 is 146441745.

It is a happy number.

547144641 is a `hidden beast` number, since 5 + 4 + 7 + 1 + 4 + 4 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 525326400 + 21818241 = 22920^2 + 4671^2 .

It is not a de Polignac number, because 547144641 - 2¹ = 547144639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 547144596 and 547144605.

It is not an unprimeable number, because it can be changed into a prime (547144649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821206 + ... + 821871.

Almost surely, 2^547144641 is an apocalyptic number.

It is an amenable number.

547144641 is a deficient number, since it is larger than the sum of its proper divisors (264535891).

547144641 is a wasteful number, since it uses less digits than its factorization.

547144641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643120 (or 1643117 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 547144641 is about 23391.1231239545. The cubic root of 547144641 is about 817.9009575349.

The spelling of 547144641 in words is "five hundred forty-seven million, one hundred forty-four thousand, six hundred forty-one".