215325215293 has 2 divisors, whose sum is σ = 215325215294. Its totient is φ = 215325215292.

The previous prime is 215325215257. The next prime is 215325215377. The reversal of 215325215293 is 392512523512.

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., 198436393444 + 16888821849 = 445462^2 + 129957^2 .

It is a cyclic number.

It is not a de Polignac number, because 215325215293 - 2⁹ = 215325214781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215325215233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107662607646 + 107662607647.

It is an arithmetic number, because the mean of its divisors is an integer number (107662607647).

Almost surely, 2^215325215293 is an apocalyptic number.

It is an amenable number.

215325215293 is a deficient number, since it is larger than the sum of its proper divisors (1).

215325215293 is an equidigital number, since it uses as much as digits as its factorization.

215325215293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The spelling of 215325215293 in words is "two hundred fifteen billion, three hundred twenty-five million, two hundred fifteen thousand, two hundred ninety-three".