1052521343 has 4 divisors (see below), whose sum is σ = 1055905968. Its totient is φ = 1049136720.

The previous prime is 1052521307. The next prime is 1052521381. The reversal of 1052521343 is 3431252501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431252501 = 61 ⋅56250041.

It is a cyclic number.

It is not a de Polignac number, because 1052521343 - 2²² = 1048327039 is a prime.

It is a super-2 number, since 2×1052521343² = 2215602354941047298, 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 (1052521843) 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, 1691846 + ... + 1692467.

It is an arithmetic number, because the mean of its divisors is an integer number (263976492).

Almost surely, 2^1052521343 is an apocalyptic number.

1052521343 is a deficient number, since it is larger than the sum of its proper divisors (3384625).

1052521343 is an equidigital number, since it uses as much as digits as its factorization.

1052521343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384624.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1052521343 is about 32442.5853316286. The cubic root of 1052521343 is about 1017.2092569202.

Adding to 1052521343 its reverse (3431252501), we get a palindrome (4483773844).

The spelling of 1052521343 in words is "one billion, fifty-two million, five hundred twenty-one thousand, three hundred forty-three".