403053020431261 has 2 divisors, whose sum is σ = 403053020431262. Its totient is φ = 403053020431260.

The previous prime is 403053020431207. The next prime is 403053020431289. The reversal of 403053020431261 is 162134020350304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402079936828761 + 973083602500 = 20051931^2 + 986450^2 .

It is a cyclic number.

It is not a de Polignac number, because 403053020431261 - 2²⁷ = 403052886213533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403053020431361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201526510215630 + 201526510215631.

It is an arithmetic number, because the mean of its divisors is an integer number (201526510215631).

Almost surely, 2^{403053020431261} is an apocalyptic number.

It is an amenable number.

403053020431261 is a deficient number, since it is larger than the sum of its proper divisors (1).

403053020431261 is an equidigital number, since it uses as much as digits as its factorization.

403053020431261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 403053020431261 its reverse (162134020350304), we get a palindrome (565187040781565).

The spelling of 403053020431261 in words is "four hundred three trillion, fifty-three billion, twenty million, four hundred thirty-one thousand, two hundred sixty-one".