85484251 has 2 divisors, whose sum is σ = 85484252. Its totient is φ = 85484250.

The previous prime is 85484239. The next prime is 85484263. The reversal of 85484251 is 15248458.

It is a balanced prime because it is at equal distance from previous prime (85484239) and next prime (85484263).

It is a cyclic number.

It is not a de Polignac number, because 85484251 - 2⁵ = 85484219 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85484251.

It is not a weakly prime, because it can be changed into another prime (85484351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42742125 + 42742126.

It is an arithmetic number, because the mean of its divisors is an integer number (42742126).

Almost surely, 2^85484251 is an apocalyptic number.

85484251 is a deficient number, since it is larger than the sum of its proper divisors (1).

85484251 is an equidigital number, since it uses as much as digits as its factorization.

85484251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51200, while the sum is 37.

The square root of 85484251 is about 9245.7693568464. The cubic root of 85484251 is about 440.5163548912.

The spelling of 85484251 in words is "eighty-five million, four hundred eighty-four thousand, two hundred fifty-one".