4445261 has 4 divisors (see below), whose sum is σ = 4553724. Its totient is φ = 4336800.

The previous prime is 4445257. The next prime is 4445267. The reversal of 4445261 is 1625444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 3222025 = 1106^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445261 - 2² = 4445257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4445261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445267) 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, 54170 + ... + 54251.

It is an arithmetic number, because the mean of its divisors is an integer number (1138431).

Almost surely, 2^4445261 is an apocalyptic number.

4445261 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4445261 is a deficient number, since it is larger than the sum of its proper divisors (108463).

4445261 is a wasteful number, since it uses less digits than its factorization.

4445261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108462.

The product of its digits is 3840, while the sum is 26.

The square root of 4445261 is about 2108.3787610389. The cubic root of 4445261 is about 164.4242066680.

The spelling of 4445261 in words is "four million, four hundred forty-five thousand, two hundred sixty-one".