5245540 has 24 divisors (see below), whose sum is σ = 11286072. Its totient is φ = 2046720.

The previous prime is 5245523. The next prime is 5245543. The reversal of 5245540 is 455425.

5245540 = T₄₉₂ + T₄₉₃ + ... + T₅₃₁.

It can be written as a sum of positive squares in 4 ways, for example, as 484416 + 4761124 = 696^2 + 2182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (470253).

Almost surely, 2^5245540 is an apocalyptic number.

It is an amenable number.

5245540 is an abundant number, since it is smaller than the sum of its proper divisors (6040532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5245540 is a wasteful number, since it uses less digits than its factorization.

5245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5245540 is about 2290.3143888995. The cubic root of 5245540 is about 173.7521021777.

The spelling of 5245540 in words is "five million, two hundred forty-five thousand, five hundred forty".