900797 has 2 divisors, whose sum is σ = 900798. Its totient is φ = 900796.

The previous prime is 900773. The next prime is 900803. The reversal of 900797 is 797009.

900797 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 196 = 949^2 + 14^2 .

It is an emirp because it is prime and its reverse (797009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900797 is a prime.

It is a super-2 number, since 2×900797² = 1622870470418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450398 + 450399.

It is an arithmetic number, because the mean of its divisors is an integer number (450399).

2⁹⁰⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

900797 is a deficient number, since it is larger than the sum of its proper divisors (1).

900797 is an equidigital number, since it uses as much as digits as its factorization.

900797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 900797 is about 949.1032609785. The cubic root of 900797 is about 96.5774298683.

The spelling of 900797 in words is "nine hundred thousand, seven hundred ninety-seven".