1011052457 has 2 divisors, whose sum is σ = 1011052458. Its totient is φ = 1011052456.

The previous prime is 1011052451. The next prime is 1011052477. The reversal of 1011052457 is 7542501101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742617001 + 268435456 = 27251^2 + 16384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011052457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011052451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505526228 + 505526229.

It is an arithmetic number, because the mean of its divisors is an integer number (505526229).

Almost surely, 2^1011052457 is an apocalyptic number.

It is an amenable number.

1011052457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011052457 is an equidigital number, since it uses as much as digits as its factorization.

1011052457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1011052457 is about 31797.0510739597. The cubic root of 1011052457 is about 1003.6706620873.

Adding to 1011052457 its reverse (7542501101), we get a palindrome (8553553558).

The spelling of 1011052457 in words is "one billion, eleven million, fifty-two thousand, four hundred fifty-seven".