1002361 has 2 divisors, whose sum is σ = 1002362. Its totient is φ = 1002360.

The previous prime is 1002359. The next prime is 1002377. The reversal of 1002361 is 1632001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962361 + 40000 = 981^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002361 - 2¹ = 1002359 is a prime.

It is a super-4 number, since 4×1002361⁴ (a number of 25 digits) contains 4444 as substring.

Together with 1002359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1002341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501180 + 501181.

It is an arithmetic number, because the mean of its divisors is an integer number (501181).

2^1002361 is an apocalyptic number.

It is an amenable number.

1002361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002361 is an equidigital number, since it uses as much as digits as its factorization.

1002361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1002361 is about 1001.1798040312. The cubic root of 1002361 is about 100.0786381442.

Adding to 1002361 its reverse (1632001), we get a palindrome (2634362).

The spelling of 1002361 in words is "one million, two thousand, three hundred sixty-one".