1052353481 has 4 divisors (see below), whose sum is σ = 1052536212. Its totient is φ = 1052170752.

The previous prime is 1052353457. The next prime is 1052353483. The reversal of 1052353481 is 1843532501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 421891600 + 630461881 = 20540^2 + 25109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052353481 is a prime.

It is a super-2 number, since 2×1052353481² = 2214895697945634722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052353483) 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, 82436 + ... + 94341.

It is an arithmetic number, because the mean of its divisors is an integer number (263134053).

Almost surely, 2^1052353481 is an apocalyptic number.

It is an amenable number.

1052353481 is a deficient number, since it is larger than the sum of its proper divisors (182731).

1052353481 is an equidigital number, since it uses as much as digits as its factorization.

1052353481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182730.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1052353481 is about 32439.9981658446. The cubic root of 1052353481 is about 1017.1551773016.

Adding to 1052353481 its reverse (1843532501), we get a palindrome (2895885982).

The spelling of 1052353481 in words is "one billion, fifty-two million, three hundred fifty-three thousand, four hundred eighty-one".