513400423541 has 2 divisors, whose sum is σ = 513400423542. Its totient is φ = 513400423540.

The previous prime is 513400423513. The next prime is 513400423559. The reversal of 513400423541 is 145324004315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431315308516 + 82085115025 = 656746^2 + 286505^2 .

It is a cyclic number.

It is not a de Polignac number, because 513400423541 - 2²⁶ = 513333314677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513400423498 and 513400423507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513400422541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256700211770 + 256700211771.

It is an arithmetic number, because the mean of its divisors is an integer number (256700211771).

Almost surely, 2^513400423541 is an apocalyptic number.

It is an amenable number.

513400423541 is a deficient number, since it is larger than the sum of its proper divisors (1).

513400423541 is an equidigital number, since it uses as much as digits as its factorization.

513400423541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 513400423541 its reverse (145324004315), we get a palindrome (658724427856).

The spelling of 513400423541 in words is "five hundred thirteen billion, four hundred million, four hundred twenty-three thousand, five hundred forty-one".