4545261 has 16 divisors (see below), whose sum is σ = 7696000. Its totient is φ = 2597184.

The previous prime is 4545259. The next prime is 4545269. The reversal of 4545261 is 1625454.

It is not a de Polignac number, because 4545261 - 2¹ = 4545259 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11836 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (481000).

Almost surely, 2^4545261 is an apocalyptic number.

It is an amenable number.

4545261 is a deficient number, since it is larger than the sum of its proper divisors (3150739).

4545261 is a wasteful number, since it uses less digits than its factorization.

4545261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24065 (or 24059 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4545261 is about 2131.9617726404. The cubic root of 4545261 is about 165.6480300715.

The spelling of 4545261 in words is "four million, five hundred forty-five thousand, two hundred sixty-one".