5175575921 has 2 divisors, whose sum is σ = 5175575922. Its totient is φ = 5175575920.

The previous prime is 5175575917. The next prime is 5175575959. The reversal of 5175575921 is 1295755715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5157394225 + 18181696 = 71815^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 5175575921 - 2² = 5175575917 is a prime.

It is a super-2 number, since 2×5175575921² = 53573172228069996482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5175575221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2587787960 + 2587787961.

It is an arithmetic number, because the mean of its divisors is an integer number (2587787961).

Almost surely, 2^5175575921 is an apocalyptic number.

It is an amenable number.

5175575921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5175575921 is an equidigital number, since it uses as much as digits as its factorization.

5175575921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551250, while the sum is 47.

The square root of 5175575921 is about 71941.4756659884. The cubic root of 5175575921 is about 1729.7615050962.

The spelling of 5175575921 in words is "five billion, one hundred seventy-five million, five hundred seventy-five thousand, nine hundred twenty-one".