513322451 has 2 divisors, whose sum is σ = 513322452. Its totient is φ = 513322450.

The previous prime is 513322427. The next prime is 513322471. The reversal of 513322451 is 154223315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513322451 - 2¹⁴ = 513306067 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513322451.

It is not a weakly prime, because it can be changed into another prime (513322421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256661225 + 256661226.

It is an arithmetic number, because the mean of its divisors is an integer number (256661226).

Almost surely, 2^513322451 is an apocalyptic number.

513322451 is a deficient number, since it is larger than the sum of its proper divisors (1).

513322451 is an equidigital number, since it uses as much as digits as its factorization.

513322451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 513322451 is about 22656.6204673159. The cubic root of 513322451 is about 800.6881843955.

Adding to 513322451 its reverse (154223315), we get a palindrome (667545766).

The spelling of 513322451 in words is "five hundred thirteen million, three hundred twenty-two thousand, four hundred fifty-one".