513536351461 has 8 divisors (see below), whose sum is σ = 586930270464. Its totient is φ = 440150328240.

The previous prime is 513536351443. The next prime is 513536351477. The reversal of 513536351461 is 164153635315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513536351461 - 2⁵ = 513536351429 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 (513536351261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833910 + ... + 2095303.

It is an arithmetic number, because the mean of its divisors is an integer number (73366283808).

Almost surely, 2^513536351461 is an apocalyptic number.

It is an amenable number.

513536351461 is a deficient number, since it is larger than the sum of its proper divisors (73393919003).

513536351461 is a wasteful number, since it uses less digits than its factorization.

513536351461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947891.

The product of its digits is 486000, while the sum is 43.

Adding to 513536351461 its reverse (164153635315), we get a palindrome (677689986776).

The spelling of 513536351461 in words is "five hundred thirteen billion, five hundred thirty-six million, three hundred fifty-one thousand, four hundred sixty-one".