215325000997 has 2 divisors, whose sum is σ = 215325000998. Its totient is φ = 215325000996.

The previous prime is 215325000973. The next prime is 215325001033. The reversal of 215325000997 is 799000523512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215220838561 + 104162436 = 463919^2 + 10206^2 .

It is a cyclic number.

It is not a de Polignac number, because 215325000997 - 2¹¹ = 215324998949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215325000967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107662500498 + 107662500499.

It is an arithmetic number, because the mean of its divisors is an integer number (107662500499).

Almost surely, 2^215325000997 is an apocalyptic number.

It is an amenable number.

215325000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

215325000997 is an equidigital number, since it uses as much as digits as its factorization.

215325000997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 215325000997 in words is "two hundred fifteen billion, three hundred twenty-five million, nine hundred ninety-seven", and thus it is an aban number.