4645081 has 4 divisors (see below), whose sum is σ = 5308672. Its totient is φ = 3981492.

The previous prime is 4645073. The next prime is 4645099. The reversal of 4645081 is 1805464.

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.

It is a cyclic number.

It is not a de Polignac number, because 4645081 - 2³ = 4645073 is a prime.

It is a super-2 number, since 2×4645081² = 43153554993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331785 + ... + 331798.

It is an arithmetic number, because the mean of its divisors is an integer number (1327168).

Almost surely, 2^4645081 is an apocalyptic number.

It is an amenable number.

4645081 is a deficient number, since it is larger than the sum of its proper divisors (663591).

4645081 is an equidigital number, since it uses as much as digits as its factorization.

4645081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663590.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4645081 is about 2155.2449976743. The cubic root of 4645081 is about 166.8518772172.

The spelling of 4645081 in words is "four million, six hundred forty-five thousand, eighty-one".