84252161 has 4 divisors (see below), whose sum is σ = 96288192. Its totient is φ = 72216132.

The previous prime is 84252149. The next prime is 84252167. The reversal of 84252161 is 16125248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84252161 - 2¹⁴ = 84235777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84252167) 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, 6018005 + ... + 6018018.

It is an arithmetic number, because the mean of its divisors is an integer number (24072048).

Almost surely, 2^84252161 is an apocalyptic number.

It is an amenable number.

84252161 is a deficient number, since it is larger than the sum of its proper divisors (12036031).

84252161 is a wasteful number, since it uses less digits than its factorization.

84252161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036030.

The product of its digits is 3840, while the sum is 29.

The square root of 84252161 is about 9178.8975917590. The cubic root of 84252161 is about 438.3897079236.

The spelling of 84252161 in words is "eighty-four million, two hundred fifty-two thousand, one hundred sixty-one".