1052431049 has 2 divisors, whose sum is σ = 1052431050. Its totient is φ = 1052431048.

The previous prime is 1052431043. The next prime is 1052431067. The reversal of 1052431049 is 9401342501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050084025 + 2347024 = 32405^2 + 1532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052431049 is a prime.

It is a super-2 number, since 2×1052431049² = 2215222225798480802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1052431043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526215524 + 526215525.

It is an arithmetic number, because the mean of its divisors is an integer number (526215525).

Almost surely, 2^1052431049 is an apocalyptic number.

It is an amenable number.

1052431049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052431049 is an equidigital number, since it uses as much as digits as its factorization.

1052431049 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 29.

The square root of 1052431049 is about 32441.1937049178. The cubic root of 1052431049 is about 1017.1801678761.

The spelling of 1052431049 in words is "one billion, fifty-two million, four hundred thirty-one thousand, forty-nine".