36161971 has 2 divisors, whose sum is σ = 36161972. Its totient is φ = 36161970.

The previous prime is 36161963. The next prime is 36161981. The reversal of 36161971 is 17916163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36161971 - 2³ = 36161963 is a prime.

It is not a weakly prime, because it can be changed into another prime (36161981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18080985 + 18080986.

It is an arithmetic number, because the mean of its divisors is an integer number (18080986).

Almost surely, 2^36161971 is an apocalyptic number.

36161971 is a deficient number, since it is larger than the sum of its proper divisors (1).

36161971 is an equidigital number, since it uses as much as digits as its factorization.

36161971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 36161971 is about 6013.4824353281. The cubic root of 36161971 is about 330.6871844971.

The spelling of 36161971 in words is "thirty-six million, one hundred sixty-one thousand, nine hundred seventy-one".