1002403247 has 2 divisors, whose sum is σ = 1002403248. Its totient is φ = 1002403246.

The previous prime is 1002403217. The next prime is 1002403261. The reversal of 1002403247 is 7423042001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7423042001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002403247 - 2¹⁰ = 1002402223 is a prime.

It is a super-2 number, since 2×1002403247² = 2009624539192286018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002403217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501201623 + 501201624.

It is an arithmetic number, because the mean of its divisors is an integer number (501201624).

Almost surely, 2^1002403247 is an apocalyptic number.

1002403247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002403247 is an equidigital number, since it uses as much as digits as its factorization.

1002403247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1002403247 is about 31660.7524705273. The cubic root of 1002403247 is about 1000.8004414559.

Adding to 1002403247 its reverse (7423042001), we get a palindrome (8425445248).

The spelling of 1002403247 in words is "one billion, two million, four hundred three thousand, two hundred forty-seven".