85725020 has 12 divisors (see below), whose sum is σ = 180022584. Its totient is φ = 34290000.

The previous prime is 85725019. The next prime is 85725023. The reversal of 85725020 is 2052758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85725023) 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, 2143106 + ... + 2143145.

It is an arithmetic number, because the mean of its divisors is an integer number (15001882).

Almost surely, 2^85725020 is an apocalyptic number.

It is an amenable number.

85725020 is an abundant number, since it is smaller than the sum of its proper divisors (94297564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85725020 is a wasteful number, since it uses less digits than its factorization.

85725020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286260 (or 4286258 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 85725020 is about 9258.7806972625. The cubic root of 85725020 is about 440.9295431306.

Adding to 85725020 its reverse (2052758), we get a palindrome (87777778).

The spelling of 85725020 in words is "eighty-five million, seven hundred twenty-five thousand, twenty".