5240045 has 4 divisors (see below), whose sum is σ = 6288060. Its totient is φ = 4192032.

The previous prime is 5240033. The next prime is 5240069. The reversal of 5240045 is 5400425.

It is a happy number.

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 630436 + 4609609 = 794^2 + 2147^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240045 - 2⁸ = 5239789 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5239999 and 5240026.

It is a congruent number.

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, 524000 + ... + 524009.

It is an arithmetic number, because the mean of its divisors is an integer number (1572015).

Almost surely, 2^5240045 is an apocalyptic number.

It is an amenable number.

5240045 is a deficient number, since it is larger than the sum of its proper divisors (1048015).

5240045 is a wasteful number, since it uses less digits than its factorization.

5240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048014.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5240045 is about 2289.1144576015. The cubic root of 5240045 is about 173.6914092597.

The spelling of 5240045 in words is "five million, two hundred forty thousand, forty-five".