85042351 has 2 divisors, whose sum is σ = 85042352. Its totient is φ = 85042350.

The previous prime is 85042337. The next prime is 85042361. The reversal of 85042351 is 15324058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85042351 - 2⁵ = 85042319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85042301) 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, 42521175 + 42521176.

It is an arithmetic number, because the mean of its divisors is an integer number (42521176).

Almost surely, 2^85042351 is an apocalyptic number.

85042351 is a deficient number, since it is larger than the sum of its proper divisors (1).

85042351 is an equidigital number, since it uses as much as digits as its factorization.

85042351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 85042351 is about 9221.8409767248. The cubic root of 85042351 is about 439.7559786730.

The spelling of 85042351 in words is "eighty-five million, forty-two thousand, three hundred fifty-one".