85652901 has 6 divisors (see below), whose sum is σ = 123720870. Its totient is φ = 57101928.

The previous prime is 85652899. The next prime is 85652923. The reversal of 85652901 is 10925658.

It is a happy number.

85652901 is a `hidden beast` number, since 8 + 565 + 2 + 90 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 108900 = 9249^2 + 330^2 .

It is not a de Polignac number, because 85652901 - 2¹ = 85652899 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85652951) 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, 4758486 + ... + 4758503.

It is an arithmetic number, because the mean of its divisors is an integer number (20620145).

Almost surely, 2^85652901 is an apocalyptic number.

It is an amenable number.

85652901 is a deficient number, since it is larger than the sum of its proper divisors (38067969).

85652901 is a wasteful number, since it uses less digits than its factorization.

85652901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516995 (or 9516992 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 85652901 is about 9254.8852505042. The cubic root of 85652901 is about 440.8058596003.

The spelling of 85652901 in words is "eighty-five million, six hundred fifty-two thousand, nine hundred one".