1997301 has 8 divisors (see below), whose sum is σ = 2700864. Its totient is φ = 1312640.

The previous prime is 1997293. The next prime is 1997311. The reversal of 1997301 is 1037991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1997301 - 2³ = 1997293 is a prime.

It is a super-2 number, since 2×1997301² = 7978422569202, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (337608).

2^1997301 is an apocalyptic number.

It is an amenable number.

1997301 is a deficient number, since it is larger than the sum of its proper divisors (703563).

1997301 is an equidigital number, since it uses as much as digits as its factorization.

1997301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1997301 is about 1413.2589996176. The cubic root of 1997301 is about 125.9354040273.

The spelling of 1997301 in words is "one million, nine hundred ninety-seven thousand, three hundred one".