5204945 has 4 divisors (see below), whose sum is σ = 6245940. Its totient is φ = 4163952.

The previous prime is 5204933. The next prime is 5204951. The reversal of 5204945 is 5494025.

It is a happy number.

5204945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1456849 + 3748096 = 1207^2 + 1936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5204945 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, 520490 + ... + 520499.

It is an arithmetic number, because the mean of its divisors is an integer number (1561485).

Almost surely, 2^5204945 is an apocalyptic number.

It is an amenable number.

5204945 is a deficient number, since it is larger than the sum of its proper divisors (1040995).

5204945 is a wasteful number, since it uses less digits than its factorization.

5204945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040994.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5204945 is about 2281.4348555240. The cubic root of 5204945 is about 173.3027210074.

The spelling of 5204945 in words is "five million, two hundred four thousand, nine hundred forty-five".