513376546 has 4 divisors (see below), whose sum is σ = 770064822. Its totient is φ = 256688272.

The previous prime is 513376543. The next prime is 513376553. The reversal of 513376546 is 645673315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 328008321 + 185368225 = 18111^2 + 13615^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513376499 and 513376508.

It is not an unprimeable number, because it can be changed into a prime (513376543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128344135 + ... + 128344138.

Almost surely, 2^513376546 is an apocalyptic number.

513376546 is a deficient number, since it is larger than the sum of its proper divisors (256688276).

513376546 is a wasteful number, since it uses less digits than its factorization.

513376546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256688275.

The product of its digits is 226800, while the sum is 40.

The square root of 513376546 is about 22657.8142370353. The cubic root of 513376546 is about 800.7163094762.

The spelling of 513376546 in words is "five hundred thirteen million, three hundred seventy-six thousand, five hundred forty-six".