513726726 has 8 divisors (see below), whose sum is σ = 1027453464. Its totient is φ = 171242240.

The previous prime is 513726691. The next prime is 513726727. The reversal of 513726726 is 627627315.

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

513726726 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513726727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42810555 + ... + 42810566.

It is an arithmetic number, because the mean of its divisors is an integer number (128431683).

Almost surely, 2^513726726 is an apocalyptic number.

513726726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513726726 is a wasteful number, since it uses less digits than its factorization.

513726726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85621126.

The product of its digits is 105840, while the sum is 39.

The square root of 513726726 is about 22665.5404965335. The cubic root of 513726726 is about 800.8983273407.

The spelling of 513726726 in words is "five hundred thirteen million, seven hundred twenty-six thousand, seven hundred twenty-six".