997141 has 2 divisors, whose sum is σ = 997142. Its totient is φ = 997140.

The previous prime is 997123. The next prime is 997147. The reversal of 997141 is 141799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 87025 = 954^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 997141 - 2⁵ = 997109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498570 + 498571.

It is an arithmetic number, because the mean of its divisors is an integer number (498571).

2⁹⁹⁷¹⁴¹ is an apocalyptic number.

It is an amenable number.

997141 is a deficient number, since it is larger than the sum of its proper divisors (1).

997141 is an equidigital number, since it uses as much as digits as its factorization.

997141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 31.

The square root of 997141 is about 998.5694768017. The cubic root of 997141 is about 99.9046090346.

The spelling of 997141 in words is "nine hundred ninety-seven thousand, one hundred forty-one".