1050918457 has 2 divisors, whose sum is σ = 1050918458. Its totient is φ = 1050918456.

The previous prime is 1050918391. The next prime is 1050918493. The reversal of 1050918457 is 7548190501.

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., 617820736 + 433097721 = 24856^2 + 20811^2 .

It is an emirp because it is prime and its reverse (7548190501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050918457 is a prime.

It is a super-2 number, since 2×1050918457² = 2208859206526521698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050918157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525459228 + 525459229.

It is an arithmetic number, because the mean of its divisors is an integer number (525459229).

Almost surely, 2^1050918457 is an apocalyptic number.

It is an amenable number.

1050918457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050918457 is an equidigital number, since it uses as much as digits as its factorization.

1050918457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1050918457 is about 32417.8724934256. The cubic root of 1050918457 is about 1016.6926248441.

The spelling of 1050918457 in words is "one billion, fifty million, nine hundred eighteen thousand, four hundred fifty-seven".