545236053431 has 2 divisors, whose sum is σ = 545236053432. Its totient is φ = 545236053430.

The previous prime is 545236053421. The next prime is 545236053449. The reversal of 545236053431 is 134350632545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545236053431 - 2²² = 545231859127 is a prime.

It is a super-2 number, since 2×545236053431² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545236053421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272618026715 + 272618026716.

It is an arithmetic number, because the mean of its divisors is an integer number (272618026716).

Almost surely, 2^545236053431 is an apocalyptic number.

545236053431 is a deficient number, since it is larger than the sum of its proper divisors (1).

545236053431 is an equidigital number, since it uses as much as digits as its factorization.

545236053431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 545236053431 its reverse (134350632545), we get a palindrome (679586685976).

The spelling of 545236053431 in words is "five hundred forty-five billion, two hundred thirty-six million, fifty-three thousand, four hundred thirty-one".