85653297 has 6 divisors (see below), whose sum is σ = 123721442. Its totient is φ = 57102192.

The previous prime is 85653289. The next prime is 85653299. The reversal of 85653297 is 79235658.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81649296 + 4004001 = 9036^2 + 2001^2 .

It is not a de Polignac number, because 85653297 - 2³ = 85653289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85653299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4758508 + ... + 4758525.

Almost surely, 2^85653297 is an apocalyptic number.

It is an amenable number.

85653297 is a deficient number, since it is larger than the sum of its proper divisors (38068145).

85653297 is a wasteful number, since it uses less digits than its factorization.

85653297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9517039 (or 9517036 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 85653297 is about 9254.9066445859. The cubic root of 85653297 is about 440.8065389268.

The spelling of 85653297 in words is "eighty-five million, six hundred fifty-three thousand, two hundred ninety-seven".