513201511 has 2 divisors, whose sum is σ = 513201512. Its totient is φ = 513201510.

The previous prime is 513201509. The next prime is 513201527. The reversal of 513201511 is 115102315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513201511 - 2¹ = 513201509 is a prime.

Together with 513201509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513201541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256600755 + 256600756.

It is an arithmetic number, because the mean of its divisors is an integer number (256600756).

Almost surely, 2^513201511 is an apocalyptic number.

513201511 is a deficient number, since it is larger than the sum of its proper divisors (1).

513201511 is an equidigital number, since it uses as much as digits as its factorization.

513201511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 513201511 is about 22653.9513330456. The cubic root of 513201511 is about 800.6252981047.

Adding to 513201511 its reverse (115102315), we get a palindrome (628303826).

The spelling of 513201511 in words is "five hundred thirteen million, two hundred one thousand, five hundred eleven".