5215523273 has 2 divisors, whose sum is σ = 5215523274. Its totient is φ = 5215523272.

The previous prime is 5215523231. The next prime is 5215523317. The reversal of 5215523273 is 3723255125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2962407184 + 2253116089 = 54428^2 + 47467^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215523273 - 2⁸ = 5215523017 is a prime.

It is a super-2 number, since 2×5215523273² = 54403366022409265058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5215523773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607761636 + 2607761637.

It is an arithmetic number, because the mean of its divisors is an integer number (2607761637).

Almost surely, 2^5215523273 is an apocalyptic number.

It is an amenable number.

5215523273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215523273 is an equidigital number, since it uses as much as digits as its factorization.

5215523273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 5215523273 is about 72218.5798323395. The cubic root of 5215523273 is about 1734.2004552374.

Adding to 5215523273 its reverse (3723255125), we get a palindrome (8938778398).

The spelling of 5215523273 in words is "five billion, two hundred fifteen million, five hundred twenty-three thousand, two hundred seventy-three".