611444041 has 4 divisors (see below), whose sum is σ = 658478212. Its totient is φ = 564409872.

The previous prime is 611444039. The next prime is 611444087. The reversal of 611444041 is 140444116.

It is a happy number.

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 309900816 + 301543225 = 17604^2 + 17365^2 .

It is not a de Polignac number, because 611444041 - 2¹ = 611444039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611443997 and 611444015.

It is not an unprimeable number, because it can be changed into a prime (611424041) 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, 23517066 + ... + 23517091.

It is an arithmetic number, because the mean of its divisors is an integer number (164619553).

Almost surely, 2^611444041 is an apocalyptic number.

It is an amenable number.

611444041 is a deficient number, since it is larger than the sum of its proper divisors (47034171).

611444041 is a wasteful number, since it uses less digits than its factorization.

611444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47034170.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 611444041 is about 24727.3945453216. The cubic root of 611444041 is about 848.7613057781.

Adding to 611444041 its reverse (140444116), we get a palindrome (751888157).

The spelling of 611444041 in words is "six hundred eleven million, four hundred forty-four thousand, forty-one".