85741651 has 4 divisors (see below), whose sum is σ = 87359472. Its totient is φ = 84123832.

The previous prime is 85741609. The next prime is 85741657. The reversal of 85741651 is 15614758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15614758 = 2 ⋅7807379.

It is a cyclic number.

It is not a de Polignac number, because 85741651 - 2¹¹ = 85739603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85741651.

It is not an unprimeable number, because it can be changed into a prime (85741657) 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 3 ways as a sum of consecutive naturals, for example, 808831 + ... + 808936.

It is an arithmetic number, because the mean of its divisors is an integer number (21839868).

Almost surely, 2^85741651 is an apocalyptic number.

85741651 is a deficient number, since it is larger than the sum of its proper divisors (1617821).

85741651 is a wasteful number, since it uses less digits than its factorization.

85741651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617820.

The product of its digits is 33600, while the sum is 37.

The square root of 85741651 is about 9259.6787741260. The cubic root of 85741651 is about 440.9580553241.

The spelling of 85741651 in words is "eighty-five million, seven hundred forty-one thousand, six hundred fifty-one".