513055451 has 2 divisors, whose sum is σ = 513055452. Its totient is φ = 513055450.

The previous prime is 513055447. The next prime is 513055469. The reversal of 513055451 is 154550315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513055451 - 2² = 513055447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (513055421) 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, 256527725 + 256527726.

It is an arithmetic number, because the mean of its divisors is an integer number (256527726).

Almost surely, 2^513055451 is an apocalyptic number.

513055451 is a deficient number, since it is larger than the sum of its proper divisors (1).

513055451 is an equidigital number, since it uses as much as digits as its factorization.

513055451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 513055451 is about 22650.7273834639. The cubic root of 513055451 is about 800.5493367626.

The spelling of 513055451 in words is "five hundred thirteen million, fifty-five thousand, four hundred fifty-one".