1403304412253 has 2 divisors, whose sum is σ = 1403304412254. Its totient is φ = 1403304412252.

The previous prime is 1403304412243. The next prime is 1403304412261. The reversal of 1403304412253 is 3522144033041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1313231197369 + 90073214884 = 1145963^2 + 300122^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403304412253 - 2⁶ = 1403304412189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403304412243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701652206126 + 701652206127.

It is an arithmetic number, because the mean of its divisors is an integer number (701652206127).

Almost surely, 2^{1403304412253} is an apocalyptic number.

It is an amenable number.

1403304412253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403304412253 is an equidigital number, since it uses as much as digits as its factorization.

1403304412253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1403304412253 its reverse (3522144033041), we get a palindrome (4925448445294).

The spelling of 1403304412253 in words is "one trillion, four hundred three billion, three hundred four million, four hundred twelve thousand, two hundred fifty-three".