1000201957 has 2 divisors, whose sum is σ = 1000201958. Its totient is φ = 1000201956.

The previous prime is 1000201931. The next prime is 1000201991. The reversal of 1000201957 is 7591020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921365316 + 78836641 = 30354^2 + 8879^2 .

It is an emirp because it is prime and its reverse (7591020001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000201957 - 2¹⁹ = 999677669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000201907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100978 + 500100979.

It is an arithmetic number, because the mean of its divisors is an integer number (500100979).

Almost surely, 2^1000201957 is an apocalyptic number.

It is an amenable number.

1000201957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000201957 is an equidigital number, since it uses as much as digits as its factorization.

1000201957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1000201957 is about 31625.9696610238. The cubic root of 1000201957 is about 1000.0673144687.

Adding to 1000201957 its reverse (7591020001), we get a palindrome (8591221958).

The spelling of 1000201957 in words is "one billion, two hundred one thousand, nine hundred fifty-seven".