513552155 has 8 divisors (see below), whose sum is σ = 637513200. Its totient is φ = 396674656.

The previous prime is 513552131. The next prime is 513552157. The reversal of 513552155 is 551255315.

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

It is a cyclic number.

It is not a de Polignac number, because 513552155 - 2¹² = 513548059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513552157) 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, 1770725 + ... + 1771014.

It is an arithmetic number, because the mean of its divisors is an integer number (79689150).

Almost surely, 2^513552155 is an apocalyptic number.

513552155 is a deficient number, since it is larger than the sum of its proper divisors (123961045).

513552155 is a wasteful number, since it uses less digits than its factorization.

513552155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541773.

The product of its digits is 18750, while the sum is 32.

The square root of 513552155 is about 22661.6891471046. The cubic root of 513552155 is about 800.8075985190.

The spelling of 513552155 in words is "five hundred thirteen million, five hundred fifty-two thousand, one hundred fifty-five".