85025915 has 8 divisors (see below), whose sum is σ = 109879728. Its totient is φ = 62788320.

The previous prime is 85025911. The next prime is 85025929. The reversal of 85025915 is 51952058.

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

It is not a de Polignac number, because 85025915 - 2² = 85025911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85025911) 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, 653981 + ... + 654110.

It is an arithmetic number, because the mean of its divisors is an integer number (13734966).

Almost surely, 2^85025915 is an apocalyptic number.

85025915 is a deficient number, since it is larger than the sum of its proper divisors (24853813).

85025915 is a wasteful number, since it uses less digits than its factorization.

85025915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308109.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 85025915 is about 9220.9497883895. The cubic root of 85025915 is about 439.7276465347.

The spelling of 85025915 in words is "eighty-five million, twenty-five thousand, nine hundred fifteen".