95042821 has 4 divisors (see below), whose sum is σ = 95315500. Its totient is φ = 94770144.

The previous prime is 95042813. The next prime is 95042837. The reversal of 95042821 is 12824059.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38266596 + 56776225 = 6186^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 95042821 - 2³ = 95042813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95042881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135816 + ... + 136513.

It is an arithmetic number, because the mean of its divisors is an integer number (23828875).

Almost surely, 2^95042821 is an apocalyptic number.

It is an amenable number.

95042821 is a deficient number, since it is larger than the sum of its proper divisors (272679).

95042821 is a wasteful number, since it uses less digits than its factorization.

95042821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272678.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 95042821 is about 9748.9907682796. The cubic root of 95042821 is about 456.3588104525.

The spelling of 95042821 in words is "ninety-five million, forty-two thousand, eight hundred twenty-one".