5215524397 has 2 divisors, whose sum is σ = 5215524398. Its totient is φ = 5215524396.

The previous prime is 5215524389. The next prime is 5215524439. The reversal of 5215524397 is 7934255125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4955315236 + 260209161 = 70394^2 + 16131^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215524397 - 2³ = 5215524389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215524317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607762198 + 2607762199.

It is an arithmetic number, because the mean of its divisors is an integer number (2607762199).

Almost surely, 2^5215524397 is an apocalyptic number.

It is an amenable number.

5215524397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215524397 is an equidigital number, since it uses as much as digits as its factorization.

5215524397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 5215524397 is about 72218.5876142701. The cubic root of 5215524397 is about 1734.2005798169.

The spelling of 5215524397 in words is "five billion, two hundred fifteen million, five hundred twenty-four thousand, three hundred ninety-seven".