513040155 has 8 divisors (see below), whose sum is σ = 820864272. Its totient is φ = 273621408.

The previous prime is 513040153. The next prime is 513040183. The reversal of 513040155 is 551040315.

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

It is not a de Polignac number, because 513040155 - 2¹ = 513040153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513040153) 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 7 ways as a sum of consecutive naturals, for example, 17101324 + ... + 17101353.

It is an arithmetic number, because the mean of its divisors is an integer number (102608034).

Almost surely, 2^513040155 is an apocalyptic number.

513040155 is a deficient number, since it is larger than the sum of its proper divisors (307824117).

513040155 is a wasteful number, since it uses less digits than its factorization.

513040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34202685.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 513040155 is about 22650.3897317463. The cubic root of 513040155 is about 800.5413809465.

The spelling of 513040155 in words is "five hundred thirteen million, forty thousand, one hundred fifty-five".