513342077 has 2 divisors, whose sum is σ = 513342078. Its totient is φ = 513342076.

The previous prime is 513342031. The next prime is 513342091. The reversal of 513342077 is 770243315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386869561 + 126472516 = 19669^2 + 11246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513342077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513342377) 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, 256671038 + 256671039.

It is an arithmetic number, because the mean of its divisors is an integer number (256671039).

Almost surely, 2^513342077 is an apocalyptic number.

It is an amenable number.

513342077 is a deficient number, since it is larger than the sum of its proper divisors (1).

513342077 is an equidigital number, since it uses as much as digits as its factorization.

513342077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 513342077 is about 22657.0535816112. The cubic root of 513342077 is about 800.6983885768.

The spelling of 513342077 in words is "five hundred thirteen million, three hundred forty-two thousand, seventy-seven".