905497 has 2 divisors, whose sum is σ = 905498. Its totient is φ = 905496.

The previous prime is 905491. The next prime is 905507. The reversal of 905497 is 794509.

905497 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., 646416 + 259081 = 804^2 + 509^2 .

It is an emirp because it is prime and its reverse (794509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 905497 - 2¹¹ = 903449 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452748 + 452749.

It is an arithmetic number, because the mean of its divisors is an integer number (452749).

2⁹⁰⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

905497 is a deficient number, since it is larger than the sum of its proper divisors (1).

905497 is an equidigital number, since it uses as much as digits as its factorization.

905497 is an evil number, because the sum of its binary digits is even.

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

The square root of 905497 is about 951.5760610692. The cubic root of 905497 is about 96.7451061051.

The spelling of 905497 in words is "nine hundred five thousand, four hundred ninety-seven".