84252169 has 2 divisors, whose sum is σ = 84252170. Its totient is φ = 84252168.

The previous prime is 84252167. The next prime is 84252173. The reversal of 84252169 is 96125248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 291600 = 9163^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 84252169 - 2¹ = 84252167 is a prime.

It is a super-2 number, since 2×84252169² = 14196855962409122, which contains 22 as substring.

Together with 84252167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84252167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42126084 + 42126085.

It is an arithmetic number, because the mean of its divisors is an integer number (42126085).

Almost surely, 2^84252169 is an apocalyptic number.

It is an amenable number.

84252169 is a deficient number, since it is larger than the sum of its proper divisors (1).

84252169 is an equidigital number, since it uses as much as digits as its factorization.

84252169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 84252169 is about 9178.8980275412. The cubic root of 84252169 is about 438.3897217990.

The spelling of 84252169 in words is "eighty-four million, two hundred fifty-two thousand, one hundred sixty-nine".