920497 has 2 divisors, whose sum is σ = 920498. Its totient is φ = 920496.

The previous prime is 920477. The next prime is 920509. The reversal of 920497 is 794029.

920497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913936 + 6561 = 956^2 + 81^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920497 is a prime.

It is not a weakly prime, because it can be changed into another prime (920407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460248 + 460249.

It is an arithmetic number, because the mean of its divisors is an integer number (460249).

2⁹²⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

920497 is a deficient number, since it is larger than the sum of its proper divisors (1).

920497 is an equidigital number, since it uses as much as digits as its factorization.

920497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 920497 is about 959.4253488417. The cubic root of 920497 is about 97.2763931157.

The spelling of 920497 in words is "nine hundred twenty thousand, four hundred ninety-seven".