4125545 has 4 divisors (see below), whose sum is σ = 4950660. Its totient is φ = 3300432.

The previous prime is 4125521. The next prime is 4125551. The reversal of 4125545 is 5455214.

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 2999824 + 1125721 = 1732^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125545 - 2¹⁶ = 4060009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412550 + ... + 412559.

It is an arithmetic number, because the mean of its divisors is an integer number (1237665).

Almost surely, 2^4125545 is an apocalyptic number.

It is an amenable number.

4125545 is a deficient number, since it is larger than the sum of its proper divisors (825115).

4125545 is an equidigital number, since it uses as much as digits as its factorization.

4125545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825114.

The product of its digits is 4000, while the sum is 26.

The square root of 4125545 is about 2031.1437664528. The cubic root of 4125545 is about 160.3837792441.

The spelling of 4125545 in words is "four million, one hundred twenty-five thousand, five hundred forty-five".