1304401403 has 2 divisors, whose sum is σ = 1304401404. Its totient is φ = 1304401402.

The previous prime is 1304401393. The next prime is 1304401409. The reversal of 1304401403 is 3041044031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304401403 - 2⁶ = 1304401339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304401409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652200701 + 652200702.

It is an arithmetic number, because the mean of its divisors is an integer number (652200702).

Almost surely, 2^1304401403 is an apocalyptic number.

1304401403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304401403 is an equidigital number, since it uses as much as digits as its factorization.

1304401403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1304401403 is about 36116.4976568880. The cubic root of 1304401403 is about 1092.6232032770.

Adding to 1304401403 its reverse (3041044031), we get a palindrome (4345445434).

The spelling of 1304401403 in words is "one billion, three hundred four million, four hundred one thousand, four hundred three".