34287161 has 4 divisors (see below), whose sum is σ = 34672500. Its totient is φ = 33901824.

The previous prime is 34287157. The next prime is 34287173. The reversal of 34287161 is 16178243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 31866025 = 1556^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 34287161 - 2² = 34287157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34287101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192536 + ... + 192713.

It is an arithmetic number, because the mean of its divisors is an integer number (8668125).

Almost surely, 2^34287161 is an apocalyptic number.

It is an amenable number.

34287161 is a deficient number, since it is larger than the sum of its proper divisors (385339).

34287161 is an equidigital number, since it uses as much as digits as its factorization.

34287161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385338.

The product of its digits is 8064, while the sum is 32.

The square root of 34287161 is about 5855.5239731385. The cubic root of 34287161 is about 324.8706735936.

The spelling of 34287161 in words is "thirty-four million, two hundred eighty-seven thousand, one hundred sixty-one".