909457 has 2 divisors, whose sum is σ = 909458. Its totient is φ = 909456.

The previous prime is 909451. The next prime is 909463. The reversal of 909457 is 754909.

It is a balanced prime because it is at equal distance from previous prime (909451) and next prime (909463).

It can be written as a sum of positive squares in only one way, i.e., 591361 + 318096 = 769^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 909457 - 2⁷ = 909329 is a prime.

It is a super-2 number, since 2×909457² = 1654224069698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (909451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454728 + 454729.

It is an arithmetic number, because the mean of its divisors is an integer number (454729).

2⁹⁰⁹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

909457 is a deficient number, since it is larger than the sum of its proper divisors (1).

909457 is an equidigital number, since it uses as much as digits as its factorization.

909457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 909457 is about 953.6545496143. The cubic root of 909457 is about 96.8859324464.

The spelling of 909457 in words is "nine hundred nine thousand, four hundred fifty-seven".