85281995 has 4 divisors (see below), whose sum is σ = 102338400. Its totient is φ = 68225592.

The previous prime is 85281991. The next prime is 85282007. The reversal of 85281995 is 59918258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85281995 - 2² = 85281991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85281991) 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, 8528195 + ... + 8528204.

It is an arithmetic number, because the mean of its divisors is an integer number (25584600).

Almost surely, 2^85281995 is an apocalyptic number.

85281995 is a deficient number, since it is larger than the sum of its proper divisors (17056405).

85281995 is a wasteful number, since it uses less digits than its factorization.

85281995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056404.

The product of its digits is 259200, while the sum is 47.

The square root of 85281995 is about 9234.8251201633. The cubic root of 85281995 is about 440.1686595152.

The spelling of 85281995 in words is "eighty-five million, two hundred eighty-one thousand, nine hundred ninety-five".