85059451 has 4 divisors (see below), whose sum is σ = 88757712. Its totient is φ = 81361192.

The previous prime is 85059427. The next prime is 85059467. The reversal of 85059451 is 15495058.

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 85059451 - 2⁵ = 85059419 is a prime.

It is a super-2 number, since 2×85059451² = 14470220408842802, which contains 22 as substring.

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 85059451.

It is not an unprimeable number, because it can be changed into a prime (85059251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849096 + ... + 1849141.

It is an arithmetic number, because the mean of its divisors is an integer number (22189428).

Almost surely, 2^85059451 is an apocalyptic number.

85059451 is a deficient number, since it is larger than the sum of its proper divisors (3698261).

85059451 is a wasteful number, since it uses less digits than its factorization.

85059451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698260.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 85059451 is about 9222.7680768845. The cubic root of 85059451 is about 439.7854515305.

It can be divided in two parts, 8505 and 9451, that added together give a square (17956 = 134²).

The spelling of 85059451 in words is "eighty-five million, fifty-nine thousand, four hundred fifty-one".