1050215057 has 2 divisors, whose sum is σ = 1050215058. Its totient is φ = 1050215056.

The previous prime is 1050215053. The next prime is 1050215059. The reversal of 1050215057 is 7505120501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023424081 + 26790976 = 31991^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050215057 - 2² = 1050215053 is a prime.

It is a super-2 number, since 2×1050215057² = 2205903331899026498, which contains 22 as substring.

Together with 1050215059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1050215053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525107528 + 525107529.

It is an arithmetic number, because the mean of its divisors is an integer number (525107529).

Almost surely, 2^1050215057 is an apocalyptic number.

It is an amenable number.

1050215057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050215057 is an equidigital number, since it uses as much as digits as its factorization.

1050215057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 1050215057 is about 32407.0217236944. The cubic root of 1050215057 is about 1016.4657435545.

Adding to 1050215057 its reverse (7505120501), we get a palindrome (8555335558).

The spelling of 1050215057 in words is "one billion, fifty million, two hundred fifteen thousand, fifty-seven".