4546561 has 4 divisors (see below), whose sum is σ = 4550832. Its totient is φ = 4542292.

The previous prime is 4546543. The next prime is 4546573. The reversal of 4546561 is 1656454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4546561 - 2⁹ = 4546049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4546511) 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, 906 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (1137708).

It is a Proth number, since it is equal to 555 ⋅ 2¹³ + 1 and 555 < 2¹³.

Almost surely, 2^4546561 is an apocalyptic number.

It is an amenable number.

4546561 is a deficient number, since it is larger than the sum of its proper divisors (4271).

4546561 is a wasteful number, since it uses less digits than its factorization.

4546561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270.

The product of its digits is 14400, while the sum is 31.

The square root of 4546561 is about 2132.2666343588. The cubic root of 4546561 is about 165.6638210175.

The spelling of 4546561 in words is "four million, five hundred forty-six thousand, five hundred sixty-one".