547961 has 4 divisors (see below), whose sum is σ = 580212. Its totient is φ = 515712.

The previous prime is 547957. The next prime is 547999. The reversal of 547961 is 169745.

It is a happy number.

547961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 133225 = 644^2 + 365^2 .

It is not a de Polignac number, because 547961 - 2² = 547957 is a prime.

It is a super-2 number, since 2×547961² = 600522515042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16100 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (145053).

2⁵⁴⁷⁹⁶¹ is an apocalyptic number.

It is an amenable number.

547961 is a deficient number, since it is larger than the sum of its proper divisors (32251).

547961 is a wasteful number, since it uses less digits than its factorization.

547961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32250.

The product of its digits is 7560, while the sum is 32.

The square root of 547961 is about 740.2438787319. The cubic root of 547961 is about 81.8307534367.

The spelling of 547961 in words is "five hundred forty-seven thousand, nine hundred sixty-one".