85395451 has 4 divisors (see below), whose sum is σ = 85436352. Its totient is φ = 85354552.

The previous prime is 85395449. The next prime is 85395467. The reversal of 85395451 is 15459358.

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 85395451 - 2¹ = 85395449 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85395151) 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, 17140 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (21359088).

Almost surely, 2^85395451 is an apocalyptic number.

85395451 is the 5845-th centered pentagonal number.

85395451 is a deficient number, since it is larger than the sum of its proper divisors (40901).

85395451 is a wasteful number, since it uses less digits than its factorization.

85395451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40900.

The product of its digits is 108000, while the sum is 40.

The square root of 85395451 is about 9240.9659127171. The cubic root of 85395451 is about 440.3637677002.

The spelling of 85395451 in words is "eighty-five million, three hundred ninety-five thousand, four hundred fifty-one".