4994545 has 4 divisors (see below), whose sum is σ = 5993460. Its totient is φ = 3995632.

The previous prime is 4994543. The next prime is 4994557. The reversal of 4994545 is 5454994.

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 3701776 + 1292769 = 1924^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994545 - 2¹ = 4994543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4994498 and 4994507.

It is not an unprimeable number, because it can be changed into a prime (4994543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499450 + ... + 499459.

It is an arithmetic number, because the mean of its divisors is an integer number (1498365).

Almost surely, 2^4994545 is an apocalyptic number.

It is an amenable number.

4994545 is a deficient number, since it is larger than the sum of its proper divisors (998915).

4994545 is an equidigital number, since it uses as much as digits as its factorization.

4994545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998914.

The product of its digits is 129600, while the sum is 40.

The square root of 4994545 is about 2234.8478695428. The cubic root of 4994545 is about 170.9353859137.

The spelling of 4994545 in words is "four million, nine hundred ninety-four thousand, five hundred forty-five".