5121445 has 16 divisors (see below), whose sum is σ = 7083648. Its totient is φ = 3481920.

The previous prime is 5121439. The next prime is 5121463. The reversal of 5121445 is 5441215.

5121445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-5121445 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4027 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (442728).

Almost surely, 2^5121445 is an apocalyptic number.

It is an amenable number.

5121445 is a deficient number, since it is larger than the sum of its proper divisors (1962203).

5121445 is a wasteful number, since it uses less digits than its factorization.

5121445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its digits is 800, while the sum is 22.

The square root of 5121445 is about 2263.0609801771. The cubic root of 5121445 is about 172.3709880427.

The spelling of 5121445 in words is "five million, one hundred twenty-one thousand, four hundred forty-five".