5221052405 has 8 divisors (see below), whose sum is σ = 6297726552. Its totient is φ = 4155199488.

The previous prime is 5221052399. The next prime is 5221052407. The reversal of 5221052405 is 5042501225.

It can be written as a sum of positive squares in 4 ways, for example, as 1051250929 + 4169801476 = 32423^2 + 64574^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5221052405 - 2⁶ = 5221052341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221052407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704244 + ... + 2706173.

It is an arithmetic number, because the mean of its divisors is an integer number (787215819).

Almost surely, 2^5221052405 is an apocalyptic number.

It is an amenable number.

5221052405 is a deficient number, since it is larger than the sum of its proper divisors (1076674147).

5221052405 is a wasteful number, since it uses less digits than its factorization.

5221052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410615.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5221052405 is about 72256.8502288883. The cubic root of 5221052405 is about 1734.8130647066.

The spelling of 5221052405 in words is "five billion, two hundred twenty-one million, fifty-two thousand, four hundred five".