513653453 has 16 divisors (see below), whose sum is σ = 562327920. Its totient is φ = 467251200.

The previous prime is 513653449. The next prime is 513653471. The reversal of 513653453 is 354356315.

It can be written as a sum of positive squares in 8 ways, for example, as 8168164 + 505485289 = 2858^2 + 22483^2 .

It is a cyclic number.

It is not a de Polignac number, because 513653453 - 2² = 513653449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513653473) 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 in 15 ways as a sum of consecutive naturals, for example, 72593 + ... + 79353.

It is an arithmetic number, because the mean of its divisors is an integer number (35145495).

Almost surely, 2^513653453 is an apocalyptic number.

It is an amenable number.

513653453 is a deficient number, since it is larger than the sum of its proper divisors (48674467).

513653453 is a wasteful number, since it uses less digits than its factorization.

513653453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928.

The product of its digits is 81000, while the sum is 35.

The square root of 513653453 is about 22663.9240424071. The cubic root of 513653453 is about 800.8602480725.

The spelling of 513653453 in words is "five hundred thirteen million, six hundred fifty-three thousand, four hundred fifty-three".