85437041 has 4 divisors (see below), whose sum is σ = 85473012. Its totient is φ = 85401072.

The previous prime is 85437031. The next prime is 85437043. The reversal of 85437041 is 14073458.

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 64240225 + 21196816 = 8015^2 + 4604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85437041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85436989 and 85437007.

It is not an unprimeable number, because it can be changed into a prime (85437043) 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, 14150 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (21368253).

Almost surely, 2^85437041 is an apocalyptic number.

It is an amenable number.

85437041 is a deficient number, since it is larger than the sum of its proper divisors (35971).

85437041 is a wasteful number, since it uses less digits than its factorization.

85437041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 85437041 is about 9243.2159446807. The cubic root of 85437041 is about 440.4352459676.

The spelling of 85437041 in words is "eighty-five million, four hundred thirty-seven thousand, forty-one".