4540085 has 32 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 3041280.

The previous prime is 4540079. The next prime is 4540091. The reversal of 4540085 is 5800454.

It is an interprime number because it is at equal distance from previous prime (4540079) and next prime (4540091).

It is not a de Polignac number, because 4540085 - 2¹² = 4535989 is a prime.

It is a super-2 number, since 2×4540085² = 41224743614450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 46757 + ... + 46853.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^4540085 is an apocalyptic number.

It is an amenable number.

4540085 is a deficient number, since it is larger than the sum of its proper divisors (1894987).

4540085 is a wasteful number, since it uses less digits than its factorization.

4540085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4540085 is about 2130.7475214112. The cubic root of 4540085 is about 165.5851279362.

The spelling of 4540085 in words is "four million, five hundred forty thousand, eighty-five".