1053542993 has 2 divisors, whose sum is σ = 1053542994. Its totient is φ = 1053542992.

The previous prime is 1053542983. The next prime is 1053543013. The reversal of 1053542993 is 3992453501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982697104 + 70845889 = 31348^2 + 8417^2 .

It is an emirp because it is prime and its reverse (3992453501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1053542993 - 2⁴ = 1053542977 is a prime.

It is a super-2 number, since 2×1053542993² = 2219905676198796098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053542993.

It is not a weakly prime, because it can be changed into another prime (1053542933) 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, 526771496 + 526771497.

It is an arithmetic number, because the mean of its divisors is an integer number (526771497).

Almost surely, 2^1053542993 is an apocalyptic number.

It is an amenable number.

1053542993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053542993 is an equidigital number, since it uses as much as digits as its factorization.

1053542993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 1053542993 is about 32458.3270209664. The cubic root of 1053542993 is about 1017.5382750364.

The spelling of 1053542993 in words is "one billion, fifty-three million, five hundred forty-two thousand, nine hundred ninety-three".