1053522409 has 2 divisors, whose sum is σ = 1053522410. Its totient is φ = 1053522408.

The previous prime is 1053522401. The next prime is 1053522439. The reversal of 1053522409 is 9042253501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016653225 + 36869184 = 31885^2 + 6072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053522409 - 2³ = 1053522401 is a prime.

It is a super-2 number, since 2×1053522409² = 2219818932530326562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053522401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526761204 + 526761205.

It is an arithmetic number, because the mean of its divisors is an integer number (526761205).

Almost surely, 2^1053522409 is an apocalyptic number.

It is an amenable number.

1053522409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053522409 is an equidigital number, since it uses as much as digits as its factorization.

1053522409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1053522409 is about 32458.0099359157. The cubic root of 1053522409 is about 1017.5316481452.

The spelling of 1053522409 in words is "one billion, fifty-three million, five hundred twenty-two thousand, four hundred nine".