85001651 has 16 divisors (see below), whose sum is σ = 100433088. Its totient is φ = 70425600.

The previous prime is 85001633. The next prime is 85001681. The reversal of 85001651 is 15610058.

It is not a de Polignac number, because 85001651 - 2²² = 80807347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85001651.

It is not an unprimeable number, because it can be changed into a prime (85001681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31121 + ... + 33741.

It is an arithmetic number, because the mean of its divisors is an integer number (6277068).

Almost surely, 2^85001651 is an apocalyptic number.

85001651 is a deficient number, since it is larger than the sum of its proper divisors (15431437).

85001651 is a wasteful number, since it uses less digits than its factorization.

85001651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 85001651 is about 9219.6339949046. The cubic root of 85001651 is about 439.6858139291.

The spelling of 85001651 in words is "eighty-five million, one thousand, six hundred fifty-one".