225016323971 has 2 divisors, whose sum is σ = 225016323972. Its totient is φ = 225016323970.

The previous prime is 225016323947. The next prime is 225016324121. The reversal of 225016323971 is 179323610522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225016323971 is a prime.

It is not a weakly prime, because it can be changed into another prime (225016323911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508161985 + 112508161986.

It is an arithmetic number, because the mean of its divisors is an integer number (112508161986).

Almost surely, 2^225016323971 is an apocalyptic number.

225016323971 is a deficient number, since it is larger than the sum of its proper divisors (1).

225016323971 is an equidigital number, since it uses as much as digits as its factorization.

225016323971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 225016323971 in words is "two hundred twenty-five billion, sixteen million, three hundred twenty-three thousand, nine hundred seventy-one".