1052440043 has 2 divisors, whose sum is σ = 1052440044. Its totient is φ = 1052440042.

The previous prime is 1052440019. The next prime is 1052440057. The reversal of 1052440043 is 3400442501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1052440043 - 2¹⁰ = 1052439019 is a prime.

It is a super-2 number, since 2×1052440043² = 2215260088219683698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052440843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526220021 + 526220022.

It is an arithmetic number, because the mean of its divisors is an integer number (526220022).

Almost surely, 2^1052440043 is an apocalyptic number.

1052440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052440043 is an equidigital number, since it uses as much as digits as its factorization.

1052440043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1052440043 is about 32441.3323246750. The cubic root of 1052440043 is about 1017.1830654507.

Adding to 1052440043 its reverse (3400442501), we get a palindrome (4452882544).

The spelling of 1052440043 in words is "one billion, fifty-two million, four hundred forty thousand, forty-three".