1053331309 has 2 divisors, whose sum is σ = 1053331310. Its totient is φ = 1053331308.

The previous prime is 1053331303. The next prime is 1053331327. The reversal of 1053331309 is 9031333501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670033225 + 383298084 = 25885^2 + 19578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053331309 - 2²¹ = 1051234157 is a prime.

It is a super-2 number, since 2×1053331309² = 2219013693039306962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053331303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526665654 + 526665655.

It is an arithmetic number, because the mean of its divisors is an integer number (526665655).

Almost surely, 2^1053331309 is an apocalyptic number.

It is an amenable number.

1053331309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053331309 is an equidigital number, since it uses as much as digits as its factorization.

1053331309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 28.

The square root of 1053331309 is about 32455.0659990085. The cubic root of 1053331309 is about 1017.4701205641.

The spelling of 1053331309 in words is "one billion, fifty-three million, three hundred thirty-one thousand, three hundred nine".