85452361 has 2 divisors, whose sum is σ = 85452362. Its totient is φ = 85452360.

The previous prime is 85452359. The next prime is 85452379. The reversal of 85452361 is 16325458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 462400 = 9219^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 85452361 - 2¹ = 85452359 is a prime.

Together with 85452359, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85456361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42726180 + 42726181.

It is an arithmetic number, because the mean of its divisors is an integer number (42726181).

Almost surely, 2^85452361 is an apocalyptic number.

It is an amenable number.

85452361 is a deficient number, since it is larger than the sum of its proper divisors (1).

85452361 is an equidigital number, since it uses as much as digits as its factorization.

85452361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 85452361 is about 9244.0446234319. The cubic root of 85452361 is about 440.4615696973.

The spelling of 85452361 in words is "eighty-five million, four hundred fifty-two thousand, three hundred sixty-one".