85232621 has 4 divisors (see below), whose sum is σ = 85903872. Its totient is φ = 84561372.

The previous prime is 85232597. The next prime is 85232629. The reversal of 85232621 is 12623258.

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 a de Polignac number, because none of the positive numbers 2^k-85232621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85232629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335435 + ... + 335688.

It is an arithmetic number, because the mean of its divisors is an integer number (21475968).

Almost surely, 2^85232621 is an apocalyptic number.

It is an amenable number.

85232621 is a deficient number, since it is larger than the sum of its proper divisors (671251).

85232621 is a wasteful number, since it uses less digits than its factorization.

85232621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671250.

The product of its digits is 5760, while the sum is 29.

The square root of 85232621 is about 9232.1514827260. The cubic root of 85232621 is about 440.0836979207.

Adding to 85232621 its reverse (12623258), we get a palindrome (97855879).

The spelling of 85232621 in words is "eighty-five million, two hundred thirty-two thousand, six hundred twenty-one".