1057150217 has 2 divisors, whose sum is σ = 1057150218. Its totient is φ = 1057150216.

The previous prime is 1057150201. The next prime is 1057150231. The reversal of 1057150217 is 7120517501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043871481 + 13278736 = 32309^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057150217 - 2⁴ = 1057150201 is a prime.

It is a super-2 number, since 2×1057150217² = 2235133162606294178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057150217.

It is not a weakly prime, because it can be changed into another prime (1057150417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528575108 + 528575109.

It is an arithmetic number, because the mean of its divisors is an integer number (528575109).

Almost surely, 2^1057150217 is an apocalyptic number.

It is an amenable number.

1057150217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057150217 is an equidigital number, since it uses as much as digits as its factorization.

1057150217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 1057150217 is about 32513.8465426655. The cubic root of 1057150217 is about 1018.6982679792.

Adding to 1057150217 its reverse (7120517501), we get a palindrome (8177667718).

The spelling of 1057150217 in words is "one billion, fifty-seven million, one hundred fifty thousand, two hundred seventeen".