85364953 has 2 divisors, whose sum is σ = 85364954. Its totient is φ = 85364952.

The previous prime is 85364887. The next prime is 85364963. The reversal of 85364953 is 35946358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61968384 + 23396569 = 7872^2 + 4837^2 .

It is a cyclic number.

It is not a de Polignac number, because 85364953 - 2¹⁷ = 85233881 is a prime.

It is not a weakly prime, because it can be changed into another prime (85364963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42682476 + 42682477.

It is an arithmetic number, because the mean of its divisors is an integer number (42682477).

Almost surely, 2^85364953 is an apocalyptic number.

It is an amenable number.

85364953 is a deficient number, since it is larger than the sum of its proper divisors (1).

85364953 is an equidigital number, since it uses as much as digits as its factorization.

85364953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 85364953 is about 9239.3156131826. The cubic root of 85364953 is about 440.3113378453.

The spelling of 85364953 in words is "eighty-five million, three hundred sixty-four thousand, nine hundred fifty-three".