515154113 has 4 divisors (see below), whose sum is σ = 518914500. Its totient is φ = 511393728.

The previous prime is 515154109. The next prime is 515154119. The reversal of 515154113 is 311451515.

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 227919409 + 287234704 = 15097^2 + 16948^2 .

It is a cyclic number.

It is not a de Polignac number, because 515154113 - 2² = 515154109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515154119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879988 + ... + 1880261.

It is an arithmetic number, because the mean of its divisors is an integer number (129728625).

Almost surely, 2^515154113 is an apocalyptic number.

It is an amenable number.

515154113 is a deficient number, since it is larger than the sum of its proper divisors (3760387).

515154113 is a wasteful number, since it uses less digits than its factorization.

515154113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760386.

The product of its digits is 1500, while the sum is 26.

The square root of 515154113 is about 22697.0066969193. The cubic root of 515154113 is about 801.6394053303.

The spelling of 515154113 in words is "five hundred fifteen million, one hundred fifty-four thousand, one hundred thirteen".