513412541 has 4 divisors (see below), whose sum is σ = 513652284. Its totient is φ = 513172800.

The previous prime is 513412517. The next prime is 513412553. The reversal of 513412541 is 145214315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112572100 + 400840441 = 10610^2 + 20021^2 .

It is a cyclic number.

It is not a de Polignac number, because 513412541 - 2⁶ = 513412477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513412541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513412511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116630 + ... + 120951.

It is an arithmetic number, because the mean of its divisors is an integer number (128413071).

Almost surely, 2^513412541 is an apocalyptic number.

It is an amenable number.

513412541 is a deficient number, since it is larger than the sum of its proper divisors (239743).

513412541 is a wasteful number, since it uses less digits than its factorization.

513412541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239742.

The product of its digits is 2400, while the sum is 26.

The square root of 513412541 is about 22658.6085406849. The cubic root of 513412541 is about 800.7350229073.

Adding to 513412541 its reverse (145214315), we get a palindrome (658626856).

The spelling of 513412541 in words is "five hundred thirteen million, four hundred twelve thousand, five hundred forty-one".