85454101 has 4 divisors (see below), whose sum is σ = 85708012. Its totient is φ = 85200192.

The previous prime is 85454099. The next prime is 85454111. The reversal of 85454101 is 10145458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10145458 = 2 ⋅5072729.

It can be written as a sum of positive squares in 2 ways, for example, as 31651876 + 53802225 = 5626^2 + 7335^2 .

It is a cyclic number.

It is not a de Polignac number, because 85454101 - 2¹ = 85454099 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 85454101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85454111) 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, 126450 + ... + 127123.

It is an arithmetic number, because the mean of its divisors is an integer number (21427003).

Almost surely, 2^85454101 is an apocalyptic number.

It is an amenable number.

85454101 is a deficient number, since it is larger than the sum of its proper divisors (253911).

85454101 is a wasteful number, since it uses less digits than its factorization.

85454101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253910.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 85454101 is about 9244.1387376002. The cubic root of 85454101 is about 440.4645592692.

Adding to 85454101 its reverse (10145458), we get a palindrome (95599559).

The spelling of 85454101 in words is "eighty-five million, four hundred fifty-four thousand, one hundred one".