5217538406 has 4 divisors (see below), whose sum is σ = 7826307612. Its totient is φ = 2608769202.

The previous prime is 5217538397. The next prime is 5217538409. The reversal of 5217538406 is 6048357125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217538409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304384600 + ... + 1304384603.

It is an arithmetic number, because the mean of its divisors is an integer number (1956576903).

Almost surely, 2^5217538406 is an apocalyptic number.

5217538406 is a deficient number, since it is larger than the sum of its proper divisors (2608769206).

5217538406 is a wasteful number, since it uses less digits than its factorization.

5217538406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608769205.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 5217538406 is about 72232.5301093628. The cubic root of 5217538406 is about 1734.4237754044.

The spelling of 5217538406 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, four hundred six".