905272441 has 4 divisors (see below), whose sum is σ = 905337972. Its totient is φ = 905206912.

The previous prime is 905272429. The next prime is 905272469. The reversal of 905272441 is 144272509.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 471758400 + 433514041 = 21720^2 + 20821^2 .

It is a cyclic number.

It is not a de Polignac number, because 905272441 - 2¹³ = 905264249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 905272397 and 905272406.

It is not an unprimeable number, because it can be changed into a prime (905272541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3076 + ... + 42661.

It is an arithmetic number, because the mean of its divisors is an integer number (226334493).

Almost surely, 2^905272441 is an apocalyptic number.

It is an amenable number.

905272441 is a deficient number, since it is larger than the sum of its proper divisors (65531).

905272441 is a wasteful number, since it uses less digits than its factorization.

905272441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65530.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 905272441 is about 30087.7456948838. The cubic root of 905272441 is about 967.3710800006.

The spelling of 905272441 in words is "nine hundred five million, two hundred seventy-two thousand, four hundred forty-one".