1002304057 has 2 divisors, whose sum is σ = 1002304058. Its totient is φ = 1002304056.

The previous prime is 1002304049. The next prime is 1002304091. The reversal of 1002304057 is 7504032001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994708521 + 7595536 = 31539^2 + 2756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002304057 - 2³ = 1002304049 is a prime.

It is a super-2 number, since 2×1002304057² = 2009226845357318498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002302057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501152028 + 501152029.

It is an arithmetic number, because the mean of its divisors is an integer number (501152029).

Almost surely, 2^1002304057 is an apocalyptic number.

It is an amenable number.

1002304057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002304057 is an equidigital number, since it uses as much as digits as its factorization.

1002304057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1002304057 is about 31659.1859813230. The cubic root of 1002304057 is about 1000.7674299007.

Adding to 1002304057 its reverse (7504032001), we get a palindrome (8506336058).

The spelling of 1002304057 in words is "one billion, two million, three hundred four thousand, fifty-seven".