5240286637 has 4 divisors (see below), whose sum is σ = 5243894620. Its totient is φ = 5236678656.

The previous prime is 5240286619. The next prime is 5240286643. The reversal of 5240286637 is 7366820425.

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 3332868361 + 1907418276 = 57731^2 + 43674^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240286637 - 2⁷ = 5240286509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5240286593 and 5240286602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240280637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801812 + ... + 1804717.

It is an arithmetic number, because the mean of its divisors is an integer number (1310973655).

Almost surely, 2^5240286637 is an apocalyptic number.

It is an amenable number.

5240286637 is a deficient number, since it is larger than the sum of its proper divisors (3607983).

5240286637 is a wasteful number, since it uses less digits than its factorization.

5240286637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607982.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 5240286637 is about 72389.8241260469. The cubic root of 5240286637 is about 1736.9407906033.

The spelling of 5240286637 in words is "five billion, two hundred forty million, two hundred eighty-six thousand, six hundred thirty-seven".