85153361 has 2 divisors, whose sum is σ = 85153362. Its totient is φ = 85153360.

The previous prime is 85153273. The next prime is 85153363. The reversal of 85153361 is 16335158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 22743361 = 7900^2 + 4769^2 .

It is a cyclic number.

It is not a de Polignac number, because 85153361 - 2¹⁴ = 85136977 is a prime.

Together with 85153363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85153363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42576680 + 42576681.

It is an arithmetic number, because the mean of its divisors is an integer number (42576681).

Almost surely, 2^85153361 is an apocalyptic number.

It is an amenable number.

85153361 is a deficient number, since it is larger than the sum of its proper divisors (1).

85153361 is an equidigital number, since it uses as much as digits as its factorization.

85153361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 85153361 is about 9227.8578771024. The cubic root of 85153361 is about 439.9472405748.

The spelling of 85153361 in words is "eighty-five million, one hundred fifty-three thousand, three hundred sixty-one".