1053215509 has 2 divisors, whose sum is σ = 1053215510. Its totient is φ = 1053215508.

The previous prime is 1053215497. The next prime is 1053215521. The reversal of 1053215509 is 9055123501.

It is a balanced prime because it is at equal distance from previous prime (1053215497) and next prime (1053215521).

It can be written as a sum of positive squares in only one way, i.e., 620159409 + 433056100 = 24903^2 + 20810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053215509 - 2⁵ = 1053215477 is a prime.

It is a super-2 number, since 2×1053215509² = 2218525816796258162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053215599) 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, 526607754 + 526607755.

It is an arithmetic number, because the mean of its divisors is an integer number (526607755).

Almost surely, 2^1053215509 is an apocalyptic number.

It is an amenable number.

1053215509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053215509 is an equidigital number, since it uses as much as digits as its factorization.

1053215509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 1053215509 is about 32453.2819449744. The cubic root of 1053215509 is about 1017.4328333539.

The spelling of 1053215509 in words is "one billion, fifty-three million, two hundred fifteen thousand, five hundred nine".