1403201551253 has 2 divisors, whose sum is σ = 1403201551254. Its totient is φ = 1403201551252.

The previous prime is 1403201551207. The next prime is 1403201551261. The reversal of 1403201551253 is 3521551023041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265190787249 + 138010764004 = 1124807^2 + 371498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403201551253 - 2¹⁸ = 1403201289109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403204551253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701600775626 + 701600775627.

It is an arithmetic number, because the mean of its divisors is an integer number (701600775627).

Almost surely, 2^{1403201551253} is an apocalyptic number.

It is an amenable number.

1403201551253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403201551253 is an equidigital number, since it uses as much as digits as its factorization.

1403201551253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1403201551253 its reverse (3521551023041), we get a palindrome (4924752574294).

The spelling of 1403201551253 in words is "one trillion, four hundred three billion, two hundred one million, five hundred fifty-one thousand, two hundred fifty-three".