1002997 has 4 divisors (see below), whose sum is σ = 1006060. Its totient is φ = 999936.

The previous prime is 1002979. The next prime is 1003001. The reversal of 1002997 is 7992001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7992001 = 617 ⋅12953.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 763876 = 489^2 + 874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002997 is a prime.

It is a Duffinian number.

1002997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (251515).

2^1002997 is an apocalyptic number.

It is an amenable number.

1002997 is a deficient number, since it is larger than the sum of its proper divisors (3063).

1002997 is an equidigital number, since it uses as much as digits as its factorization.

1002997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1002997 is about 1001.4973789282. The cubic root of 1002997 is about 100.0998003657.

Adding to 1002997 its reverse (7992001), we get a palindrome (8994998).

The spelling of 1002997 in words is "one million, two thousand, nine hundred ninety-seven".