513762741 has 12 divisors (see below), whose sum is σ = 747520332. Its totient is φ = 340007616.

The previous prime is 513762709. The next prime is 513762751. The reversal of 513762741 is 147267315.

It is a happy number.

513762741 is a `hidden beast` number, since 513 + 76 + 2 + 74 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 307265841 + 206496900 = 17529^2 + 14370^2 .

It is not a de Polignac number, because 513762741 - 2⁵ = 513762709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513762696 and 513762705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513762751) 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 11 ways as a sum of consecutive naturals, for example, 207106 + ... + 209571.

It is an arithmetic number, because the mean of its divisors is an integer number (62293361).

Almost surely, 2^513762741 is an apocalyptic number.

It is an amenable number.

513762741 is a deficient number, since it is larger than the sum of its proper divisors (233757591).

513762741 is a wasteful number, since it uses less digits than its factorization.

513762741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416820 (or 416817 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 513762741 is about 22666.3349706123. The cubic root of 513762741 is about 800.9170426601.

The spelling of 513762741 in words is "five hundred thirteen million, seven hundred sixty-two thousand, seven hundred forty-one".