1003002401 has 4 divisors (see below), whose sum is σ = 1030110612. Its totient is φ = 975894192.

The previous prime is 1003002389. The next prime is 1003002409. The reversal of 1003002401 is 1042003001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042003001 = 13 ⋅80154077.

It can be written as a sum of positive squares in 2 ways, for example, as 455395600 + 547606801 = 21340^2 + 23401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003002401 - 2⁶ = 1003002337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003002409) 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, 13554050 + ... + 13554123.

It is an arithmetic number, because the mean of its divisors is an integer number (257527653).

Almost surely, 2^1003002401 is an apocalyptic number.

It is an amenable number.

1003002401 is a deficient number, since it is larger than the sum of its proper divisors (27108211).

1003002401 is an equidigital number, since it uses as much as digits as its factorization.

1003002401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108210.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1003002401 is about 31670.2131505299. The cubic root of 1003002401 is about 1000.9998003994. Note that the first 3 decimals are identical.

Adding to 1003002401 its reverse (1042003001), we get a palindrome (2045005402).

The spelling of 1003002401 in words is "one billion, three million, two thousand, four hundred one".