4552605 has 28 divisors (see below), whose sum is σ = 8197500. Its totient is φ = 2426112.

The previous prime is 4552601. The next prime is 4552607. The reversal of 4552605 is 5062554.

4552605 is a `hidden beast` number, since 4 + 5 + 52 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1750329 + 2802276 = 1323^2 + 1674^2 .

It is not a de Polignac number, because 4552605 - 2² = 4552601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552601) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3021 + ... + 4269.

Almost surely, 2^4552605 is an apocalyptic number.

4552605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4552605 is a deficient number, since it is larger than the sum of its proper divisors (3644895).

4552605 is an equidigital number, since it uses as much as digits as its factorization.

4552605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4552605 is about 2133.6834348141. The cubic root of 4552605 is about 165.7371972667.

It can be divided in two parts, 45 and 52605, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 4552605 in words is "four million, five hundred fifty-two thousand, six hundred five".