513431152025543 has 2 divisors, whose sum is σ = 513431152025544. Its totient is φ = 513431152025542.

The previous prime is 513431152025417. The next prime is 513431152025579. The reversal of 513431152025543 is 345520251134315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513431152025543 - 2¹⁰ = 513431152024519 is a prime.

It is a super-2 number, since 2×513431152025543² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513431152025494 and 513431152025503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513431152027543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256715576012771 + 256715576012772.

It is an arithmetic number, because the mean of its divisors is an integer number (256715576012772).

Almost surely, 2^{513431152025543} is an apocalyptic number.

513431152025543 is a deficient number, since it is larger than the sum of its proper divisors (1).

513431152025543 is an equidigital number, since it uses as much as digits as its factorization.

513431152025543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 513431152025543 in words is "five hundred thirteen trillion, four hundred thirty-one billion, one hundred fifty-two million, twenty-five thousand, five hundred forty-three".