85725013 has 8 divisors (see below), whose sum is σ = 96535296. Its totient is φ = 75417600.

The previous prime is 85725007. The next prime is 85725019. The reversal of 85725013 is 31052758.

It is an interprime number because it is at equal distance from previous prime (85725007) and next prime (85725019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85725013 - 2⁹ = 85724501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85725019) 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 7 ways as a sum of consecutive naturals, for example, 125356 + ... + 126037.

It is an arithmetic number, because the mean of its divisors is an integer number (12066912).

Almost surely, 2^85725013 is an apocalyptic number.

It is an amenable number.

85725013 is a deficient number, since it is larger than the sum of its proper divisors (10810283).

85725013 is a wasteful number, since it uses less digits than its factorization.

85725013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251435.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 85725013 is about 9258.7803192429. The cubic root of 85725013 is about 440.9295311290.

The spelling of 85725013 in words is "eighty-five million, seven hundred twenty-five thousand, thirteen".