1655051441 has 2 divisors, whose sum is σ = 1655051442. Its totient is φ = 1655051440.

The previous prime is 1655051423. The next prime is 1655051479. The reversal of 1655051441 is 1441505561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1654781041 + 270400 = 40679^2 + 520^2 .

It is an emirp because it is prime and its reverse (1441505561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1655051441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1655051398 and 1655051407.

It is not a weakly prime, because it can be changed into another prime (1655051941) 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 as a sum of consecutive naturals, namely, 827525720 + 827525721.

It is an arithmetic number, because the mean of its divisors is an integer number (827525721).

Almost surely, 2^1655051441 is an apocalyptic number.

It is an amenable number.

1655051441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655051441 is an equidigital number, since it uses as much as digits as its factorization.

1655051441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1655051441 is about 40682.3234464306. The cubic root of 1655051441 is about 1182.8704037440.

The spelling of 1655051441 in words is "one billion, six hundred fifty-five million, fifty-one thousand, four hundred forty-one".