1053033491 has 4 divisors (see below), whose sum is σ = 1053285000. Its totient is φ = 1052781984.

The previous prime is 1053033473. The next prime is 1053033539. The reversal of 1053033491 is 1943303501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1943303501 = 47 ⋅41346883.

It is a cyclic number.

It is not a de Polignac number, because 1053033491 - 2¹⁰ = 1053032467 is a prime.

It is a super-2 number, since 2×1053033491² = 2217759066335294162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053033391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119366 + ... + 127883.

It is an arithmetic number, because the mean of its divisors is an integer number (263321250).

Almost surely, 2^1053033491 is an apocalyptic number.

1053033491 is a deficient number, since it is larger than the sum of its proper divisors (251509).

1053033491 is an equidigital number, since it uses as much as digits as its factorization.

1053033491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251508.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1053033491 is about 32450.4775157470. The cubic root of 1053033491 is about 1017.3742186458.

Adding to 1053033491 its reverse (1943303501), we get a palindrome (2996336992).

The spelling of 1053033491 in words is "one billion, fifty-three million, thirty-three thousand, four hundred ninety-one".