1052430409 has 2 divisors, whose sum is σ = 1052430410. Its totient is φ = 1052430408.

The previous prime is 1052430391. The next prime is 1052430433. The reversal of 1052430409 is 9040342501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999824400 + 52606009 = 31620^2 + 7253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052430409 - 2¹¹ = 1052428361 is a prime.

It is a super-2 number, since 2×1052430409² = 2215219531575814562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052430469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526215204 + 526215205.

It is an arithmetic number, because the mean of its divisors is an integer number (526215205).

Almost surely, 2^1052430409 is an apocalyptic number.

It is an amenable number.

1052430409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052430409 is an equidigital number, since it uses as much as digits as its factorization.

1052430409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1052430409 is about 32441.1838409143. The cubic root of 1052430409 is about 1017.1799616883.

The spelling of 1052430409 in words is "one billion, fifty-two million, four hundred thirty thousand, four hundred nine".