543622961 has 12 divisors (see below), whose sum is σ = 633249792. Its totient is φ = 457154256.

The previous prime is 543622943. The next prime is 543622967. The reversal of 543622961 is 169226345.

It is not a de Polignac number, because 543622961 - 2²² = 539428657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543622967) 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, 5840 + ... + 33486.

It is an arithmetic number, because the mean of its divisors is an integer number (52770816).

Almost surely, 2^543622961 is an apocalyptic number.

It is an amenable number.

543622961 is a deficient number, since it is larger than the sum of its proper divisors (89626831).

543622961 is an equidigital number, since it uses as much as digits as its factorization.

543622961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760 (or 27707 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 543622961 is about 23315.7234715117. The cubic root of 543622961 is about 816.1423808203.

The spelling of 543622961 in words is "five hundred forty-three million, six hundred twenty-two thousand, nine hundred sixty-one".