1050611521 has 2 divisors, whose sum is σ = 1050611522. Its totient is φ = 1050611520.

The previous prime is 1050611473. The next prime is 1050611563. The reversal of 1050611521 is 1251160501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036840000 + 13771521 = 32200^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050611521 - 2¹¹ = 1050609473 is a prime.

It is a super-2 number, since 2×1050611521² = 2207569136115866882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1050611492 and 1050611501.

It is not a weakly prime, because it can be changed into another prime (1050611581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525305760 + 525305761.

It is an arithmetic number, because the mean of its divisors is an integer number (525305761).

Almost surely, 2^1050611521 is an apocalyptic number.

It is an amenable number.

1050611521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050611521 is an equidigital number, since it uses as much as digits as its factorization.

1050611521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1050611521 is about 32413.1380924464. The cubic root of 1050611521 is about 1016.5936352568.

The spelling of 1050611521 in words is "one billion, fifty million, six hundred eleven thousand, five hundred twenty-one".