1009457 has 2 divisors, whose sum is σ = 1009458. Its totient is φ = 1009456.

The previous prime is 1009439. The next prime is 1009483. The reversal of 1009457 is 7549001.

It is an a-pointer prime, because the next prime (1009483) can be obtained adding 1009457 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579121 + 430336 = 761^2 + 656^2 .

It is an emirp because it is prime and its reverse (7549001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009457 - 2⁸ = 1009201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504728 + 504729.

It is an arithmetic number, because the mean of its divisors is an integer number (504729).

2^1009457 is an apocalyptic number.

It is an amenable number.

1009457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009457 is an equidigital number, since it uses as much as digits as its factorization.

1009457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1009457 is about 1004.7173731951. The cubic root of 1009457 is about 100.3142448010.

The spelling of 1009457 in words is "one million, nine thousand, four hundred fifty-seven".