513312355 has 4 divisors (see below), whose sum is σ = 615974832. Its totient is φ = 410649880.

The previous prime is 513312343. The next prime is 513312389. The reversal of 513312355 is 553213315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553213315 = 5 ⋅110642663.

It is not a de Polignac number, because 513312355 - 2⁵ = 513312323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51331231 + ... + 51331240.

It is an arithmetic number, because the mean of its divisors is an integer number (153993708).

Almost surely, 2^513312355 is an apocalyptic number.

513312355 is a deficient number, since it is larger than the sum of its proper divisors (102662477).

513312355 is a wasteful number, since it uses less digits than its factorization.

513312355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102662476.

The product of its digits is 6750, while the sum is 28.

The square root of 513312355 is about 22656.3976615878. The cubic root of 513312355 is about 800.6829350629.

The spelling of 513312355 in words is "five hundred thirteen million, three hundred twelve thousand, three hundred fifty-five".