513982445 has 8 divisors (see below), whose sum is σ = 616911360. Its totient is φ = 411097680.

The previous prime is 513982411. The next prime is 513982451. The reversal of 513982445 is 544289315.

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

It is not a de Polignac number, because 513982445 - 2¹² = 513978349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25700 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (77113920).

Almost surely, 2^513982445 is an apocalyptic number.

It is an amenable number.

513982445 is a deficient number, since it is larger than the sum of its proper divisors (102928915).

513982445 is a wasteful number, since it uses less digits than its factorization.

513982445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22075.

The product of its digits is 172800, while the sum is 41.

The square root of 513982445 is about 22671.1809352755. The cubic root of 513982445 is about 801.0311936659.

The spelling of 513982445 in words is "five hundred thirteen million, nine hundred eighty-two thousand, four hundred forty-five".