1053353993 has 2 divisors, whose sum is σ = 1053353994. Its totient is φ = 1053353992.

The previous prime is 1053353981. The next prime is 1053354007. The reversal of 1053353993 is 3993533501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976125049 + 77228944 = 31243^2 + 8788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053353993 is a prime.

It is a super-2 number, since 2×1053353993² = 2219109269138088098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053353993.

It is not a weakly prime, because it can be changed into another prime (1053353933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526676996 + 526676997.

It is an arithmetic number, because the mean of its divisors is an integer number (526676997).

Almost surely, 2^1053353993 is an apocalyptic number.

It is an amenable number.

1053353993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053353993 is an equidigital number, since it uses as much as digits as its factorization.

1053353993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164025, while the sum is 41.

The square root of 1053353993 is about 32455.4154649112. The cubic root of 1053353993 is about 1017.4774244157.

The spelling of 1053353993 in words is "one billion, fifty-three million, three hundred fifty-three thousand, nine hundred ninety-three".