1054071661 has 2 divisors, whose sum is σ = 1054071662. Its totient is φ = 1054071660.

The previous prime is 1054071649. The next prime is 1054071673. The reversal of 1054071661 is 1661704501.

It is a balanced prime because it is at equal distance from previous prime (1054071649) and next prime (1054071673).

It can be written as a sum of positive squares in only one way, i.e., 852289636 + 201782025 = 29194^2 + 14205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054071661 - 2⁷ = 1054071533 is a prime.

It is a super-3 number, since 3×1054071661³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054071631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527035830 + 527035831.

It is an arithmetic number, because the mean of its divisors is an integer number (527035831).

Almost surely, 2^1054071661 is an apocalyptic number.

It is an amenable number.

1054071661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054071661 is an equidigital number, since it uses as much as digits as its factorization.

1054071661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1054071661 is about 32466.4697957755. The cubic root of 1054071661 is about 1017.7084468515.

The spelling of 1054071661 in words is "one billion, fifty-four million, seventy-one thousand, six hundred sixty-one".