85653541 has 4 divisors (see below), whose sum is σ = 89377632. Its totient is φ = 81929452.

The previous prime is 85653523. The next prime is 85653553. The reversal of 85653541 is 14535658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85653541 - 2⁷ = 85653413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85653541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85653571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862011 + ... + 1862056.

It is an arithmetic number, because the mean of its divisors is an integer number (22344408).

Almost surely, 2^85653541 is an apocalyptic number.

It is an amenable number.

85653541 is a deficient number, since it is larger than the sum of its proper divisors (3724091).

85653541 is a wasteful number, since it uses less digits than its factorization.

85653541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724090.

The product of its digits is 72000, while the sum is 37.

The square root of 85653541 is about 9254.9198267732. The cubic root of 85653541 is about 440.8069575007.

The spelling of 85653541 in words is "eighty-five million, six hundred fifty-three thousand, five hundred forty-one".