513215141 has 8 divisors (see below), whose sum is σ = 516514680. Its totient is φ = 509923008.

The previous prime is 513215107. The next prime is 513215161. The reversal of 513215141 is 141512315.

It can be written as a sum of positive squares in 4 ways, for example, as 348606241 + 164608900 = 18671^2 + 12830^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513215141 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 (513215161) 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, 209375 + ... + 211811.

It is an arithmetic number, because the mean of its divisors is an integer number (64564335).

Almost surely, 2^513215141 is an apocalyptic number.

It is an amenable number.

513215141 is a deficient number, since it is larger than the sum of its proper divisors (3299539).

513215141 is a wasteful number, since it uses less digits than its factorization.

513215141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703.

The product of its digits is 600, while the sum is 23.

The square root of 513215141 is about 22654.2521615700. The cubic root of 513215141 is about 800.6323859158.

Adding to 513215141 its reverse (141512315), we get a palindrome (654727456).

The spelling of 513215141 in words is "five hundred thirteen million, two hundred fifteen thousand, one hundred forty-one".