1053539549 has 4 divisors (see below), whose sum is σ = 1061835264. Its totient is φ = 1045243836.

The previous prime is 1053539537. The next prime is 1053539563. The reversal of 1053539549 is 9459353501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1053539549 - 2²⁴ = 1036762333 is a prime.

It is a super-2 number, since 2×1053539549² = 2219891162614246802, 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 (1053539849) 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, 4147667 + ... + 4147920.

It is an arithmetic number, because the mean of its divisors is an integer number (265458816).

Almost surely, 2^1053539549 is an apocalyptic number.

It is an amenable number.

1053539549 is a deficient number, since it is larger than the sum of its proper divisors (8295715).

1053539549 is an equidigital number, since it uses as much as digits as its factorization.

1053539549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295714.

The product of its (nonzero) digits is 364500, while the sum is 44.

The square root of 1053539549 is about 32458.2739682812. The cubic root of 1053539549 is about 1017.5371662679.

The spelling of 1053539549 in words is "one billion, fifty-three million, five hundred thirty-nine thousand, five hundred forty-nine".