85326021 has 32 divisors (see below), whose sum is σ = 143907840. Its totient is φ = 49460400.

The previous prime is 85326001. The next prime is 85326047. The reversal of 85326021 is 12062358.

85326021 is a `hidden beast` number, since 8 + 53 + 2 + 602 + 1 = 666.

It is not a de Polignac number, because 85326021 - 2⁶ = 85325957 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85326001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (4497120).

Almost surely, 2^85326021 is an apocalyptic number.

It is an amenable number.

85326021 is a deficient number, since it is larger than the sum of its proper divisors (58581819).

85326021 is a wasteful number, since it uses less digits than its factorization.

85326021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534 (or 12528 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 85326021 is about 9237.2085069029. The cubic root of 85326021 is about 440.2443907472.

Adding to 85326021 its reverse (12062358), we get a palindrome (97388379).

The spelling of 85326021 in words is "eighty-five million, three hundred twenty-six thousand, twenty-one".