85254191353 has 2 divisors, whose sum is σ = 85254191354. Its totient is φ = 85254191352.

The previous prime is 85254191303. The next prime is 85254191411. The reversal of 85254191353 is 35319145258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69652182889 + 15602008464 = 263917^2 + 124908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85254191353 is a prime.

It is not a weakly prime, because it can be changed into another prime (85254191303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42627095676 + 42627095677.

It is an arithmetic number, because the mean of its divisors is an integer number (42627095677).

Almost surely, 2^85254191353 is an apocalyptic number.

It is an amenable number.

85254191353 is a deficient number, since it is larger than the sum of its proper divisors (1).

85254191353 is an equidigital number, since it uses as much as digits as its factorization.

85254191353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 46.

The spelling of 85254191353 in words is "eighty-five billion, two hundred fifty-four million, one hundred ninety-one thousand, three hundred fifty-three".