1002434057 has 2 divisors, whose sum is σ = 1002434058. Its totient is φ = 1002434056.

The previous prime is 1002433973. The next prime is 1002434071. The reversal of 1002434057 is 7504342001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837465721 + 164968336 = 28939^2 + 12844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002434057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002430057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501217028 + 501217029.

It is an arithmetic number, because the mean of its divisors is an integer number (501217029).

Almost surely, 2^1002434057 is an apocalyptic number.

It is an amenable number.

1002434057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002434057 is an equidigital number, since it uses as much as digits as its factorization.

1002434057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1002434057 is about 31661.2390313456. The cubic root of 1002434057 is about 1000.8106949295.

Adding to 1002434057 its reverse (7504342001), we get a palindrome (8506776058).

The spelling of 1002434057 in words is "one billion, two million, four hundred thirty-four thousand, fifty-seven".