513514245451 has 2 divisors, whose sum is σ = 513514245452. Its totient is φ = 513514245450.

The previous prime is 513514245449. The next prime is 513514245473. The reversal of 513514245451 is 154542415315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513514245451 - 2¹ = 513514245449 is a prime.

It is a super-2 number, since 2×513514245451² (a number of 24 digits) contains 22 as substring.

Together with 513514245449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (513514246451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256757122725 + 256757122726.

It is an arithmetic number, because the mean of its divisors is an integer number (256757122726).

Almost surely, 2^513514245451 is an apocalyptic number.

513514245451 is a deficient number, since it is larger than the sum of its proper divisors (1).

513514245451 is an equidigital number, since it uses as much as digits as its factorization.

513514245451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240000, while the sum is 40.

The spelling of 513514245451 in words is "five hundred thirteen billion, five hundred fourteen million, two hundred forty-five thousand, four hundred fifty-one".