215325000971 has 2 divisors, whose sum is σ = 215325000972. Its totient is φ = 215325000970.

The previous prime is 215325000967. The next prime is 215325000973. The reversal of 215325000971 is 179000523512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215325000971 - 2² = 215325000967 is a prime.

It is a super-2 number, since 2×215325000971² (a number of 23 digits) contains 22 as substring.

Together with 215325000973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (215325000973) 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, 107662500485 + 107662500486.

It is an arithmetic number, because the mean of its divisors is an integer number (107662500486).

Almost surely, 2^215325000971 is an apocalyptic number.

215325000971 is a deficient number, since it is larger than the sum of its proper divisors (1).

215325000971 is an equidigital number, since it uses as much as digits as its factorization.

215325000971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 215325000971 in words is "two hundred fifteen billion, three hundred twenty-five million, nine hundred seventy-one", and thus it is an aban number.