513655441 has 16 divisors (see below), whose sum is σ = 563852800. Its totient is φ = 465030720.

The previous prime is 513655409. The next prime is 513655477. The reversal of 513655441 is 144556315.

It is a cyclic number.

It is not a de Polignac number, because 513655441 - 2⁵ = 513655409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513655397 and 513655406.

It is not an unprimeable number, because it can be changed into a prime (513655141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366460 + ... + 367858.

It is an arithmetic number, because the mean of its divisors is an integer number (35240800).

Almost surely, 2^513655441 is an apocalyptic number.

It is an amenable number.

513655441 is a deficient number, since it is larger than the sum of its proper divisors (50197359).

513655441 is a wasteful number, since it uses less digits than its factorization.

513655441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its digits is 36000, while the sum is 34.

The square root of 513655441 is about 22663.9679006126. The cubic root of 513655441 is about 800.8612812646.

The spelling of 513655441 in words is "five hundred thirteen million, six hundred fifty-five thousand, four hundred forty-one".