85451005 has 8 divisors (see below), whose sum is σ = 103108824. Its totient is φ = 67982400.

The previous prime is 85450997. The next prime is 85451017. The reversal of 85451005 is 50015458.

It can be written as a sum of positive squares in 4 ways, for example, as 700569 + 84750436 = 837^2 + 9206^2 .

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

It is not a de Polignac number, because 85451005 - 2³ = 85450997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46306 + ... + 48115.

It is an arithmetic number, because the mean of its divisors is an integer number (12888603).

Almost surely, 2^85451005 is an apocalyptic number.

It is an amenable number.

85451005 is a deficient number, since it is larger than the sum of its proper divisors (17657819).

85451005 is a wasteful number, since it uses less digits than its factorization.

85451005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94607.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 85451005 is about 9243.9712786226. The cubic root of 85451005 is about 440.4592398648.

The spelling of 85451005 in words is "eighty-five million, four hundred fifty-one thousand, five".