1053481513 has 4 divisors (see below), whose sum is σ = 1203978880. Its totient is φ = 902984148.

The previous prime is 1053481493. The next prime is 1053481531. The reversal of 1053481513 is 3151843501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3151843501 = 31 ⋅101672371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053481513 is a prime.

It is a super-2 number, since 2×1053481513² = 2219646596465538338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053481573) 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, 75248673 + ... + 75248686.

It is an arithmetic number, because the mean of its divisors is an integer number (300994720).

Almost surely, 2^1053481513 is an apocalyptic number.

It is an amenable number.

1053481513 is a deficient number, since it is larger than the sum of its proper divisors (150497367).

1053481513 is an equidigital number, since it uses as much as digits as its factorization.

1053481513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150497366.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1053481513 is about 32457.3799466316. The cubic root of 1053481513 is about 1017.5184816755.

The spelling of 1053481513 in words is "one billion, fifty-three million, four hundred eighty-one thousand, five hundred thirteen".