5176974221 has 4 divisors (see below), whose sum is σ = 5214762492. Its totient is φ = 5139185952.

The previous prime is 5176974217. The next prime is 5176974223. The reversal of 5176974221 is 1224796715.

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 4277814025 + 899160196 = 65405^2 + 29986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5176974221 - 2² = 5176974217 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 (5176974223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893930 + ... + 18894203.

It is an arithmetic number, because the mean of its divisors is an integer number (1303690623).

Almost surely, 2^5176974221 is an apocalyptic number.

It is an amenable number.

5176974221 is a deficient number, since it is larger than the sum of its proper divisors (37788271).

5176974221 is a wasteful number, since it uses less digits than its factorization.

5176974221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37788270.

The product of its digits is 211680, while the sum is 44.

The square root of 5176974221 is about 71951.1933257538. The cubic root of 5176974221 is about 1729.9172692570.

The spelling of 5176974221 in words is "five billion, one hundred seventy-six million, nine hundred seventy-four thousand, two hundred twenty-one".