1010857457 has 2 divisors, whose sum is σ = 1010857458. Its totient is φ = 1010857456.

The previous prime is 1010857447. The next prime is 1010857483. The reversal of 1010857457 is 7547580101.

It is a happy number.

1010857457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620557921 + 390299536 = 24911^2 + 19756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010857457 - 2¹⁰ = 1010856433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010857457.

It is not a weakly prime, because it can be changed into another prime (1010857447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505428728 + 505428729.

It is an arithmetic number, because the mean of its divisors is an integer number (505428729).

Almost surely, 2^1010857457 is an apocalyptic number.

It is an amenable number.

1010857457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010857457 is an equidigital number, since it uses as much as digits as its factorization.

1010857457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 1010857457 is about 31793.9846040096. The cubic root of 1010857457 is about 1003.6061325100.

The spelling of 1010857457 in words is "one billion, ten million, eight hundred fifty-seven thousand, four hundred fifty-seven".