6523045 has 4 divisors (see below), whose sum is σ = 7827660. Its totient is φ = 5218432.

The previous prime is 6523043. The next prime is 6523079. The reversal of 6523045 is 5403256.

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 4588164 + 1934881 = 2142^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 6523045 - 2¹ = 6523043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523043) 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, 652300 + ... + 652309.

It is an arithmetic number, because the mean of its divisors is an integer number (1956915).

Almost surely, 2^6523045 is an apocalyptic number.

It is an amenable number.

6523045 is a deficient number, since it is larger than the sum of its proper divisors (1304615).

6523045 is a wasteful number, since it uses less digits than its factorization.

6523045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304614.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6523045 is about 2554.0252543779. The cubic root of 6523045 is about 186.8458508317.

The spelling of 6523045 in words is "six million, five hundred twenty-three thousand, forty-five".