1053504091 has 2 divisors, whose sum is σ = 1053504092. Its totient is φ = 1053504090.

The previous prime is 1053504073. The next prime is 1053504139. The reversal of 1053504091 is 1904053501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1053504091 - 2⁹ = 1053503579 is a prime.

It is a super-2 number, since 2×1053504091² = 2219741739507472562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053504041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526752045 + 526752046.

It is an arithmetic number, because the mean of its divisors is an integer number (526752046).

Almost surely, 2^1053504091 is an apocalyptic number.

1053504091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053504091 is an equidigital number, since it uses as much as digits as its factorization.

1053504091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1053504091 is about 32457.7277547274. The cubic root of 1053504091 is about 1017.5257507061.

Adding to 1053504091 its reverse (1904053501), we get a palindrome (2957557592).

The spelling of 1053504091 in words is "one billion, fifty-three million, five hundred four thousand, ninety-one".