5217147631 has 4 divisors (see below), whose sum is σ = 5226285064. Its totient is φ = 5208010200.

The previous prime is 5217147601. The next prime is 5217147641. The reversal of 5217147631 is 1367417125.

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

It is a cyclic number.

It is not a de Polignac number, because 5217147631 - 2¹³ = 5217139439 is a prime.

It is a super-2 number, since 2×5217147631² = 54437258807297824322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217147601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567860 + ... + 4569001.

It is an arithmetic number, because the mean of its divisors is an integer number (1306571266).

Almost surely, 2^5217147631 is an apocalyptic number.

5217147631 is a deficient number, since it is larger than the sum of its proper divisors (9137433).

5217147631 is an equidigital number, since it uses as much as digits as its factorization.

5217147631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137432.

The product of its digits is 35280, while the sum is 37.

The square root of 5217147631 is about 72229.8250793950. The cubic root of 5217147631 is about 1734.3804736071.

The spelling of 5217147631 in words is "five billion, two hundred seventeen million, one hundred forty-seven thousand, six hundred thirty-one".