1053449231 has 4 divisors (see below), whose sum is σ = 1058964864. Its totient is φ = 1047933600.

The previous prime is 1053449227. The next prime is 1053449233. The reversal of 1053449231 is 1329443501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1329443501 = 157 ⋅8467793.

It is a cyclic number.

It is not a de Polignac number, because 1053449231 - 2² = 1053449227 is a prime.

It is a super-2 number, since 2×1053449231² = 2219510564588982722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053449233) 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 in 3 ways as a sum of consecutive naturals, for example, 2757530 + ... + 2757911.

It is an arithmetic number, because the mean of its divisors is an integer number (264741216).

Almost surely, 2^1053449231 is an apocalyptic number.

1053449231 is a deficient number, since it is larger than the sum of its proper divisors (5515633).

1053449231 is an equidigital number, since it uses as much as digits as its factorization.

1053449231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515632.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1053449231 is about 32456.8826445178. The cubic root of 1053449231 is about 1017.5080882429.

The spelling of 1053449231 in words is "one billion, fifty-three million, four hundred forty-nine thousand, two hundred thirty-one".