513825086 has 4 divisors (see below), whose sum is σ = 770737632. Its totient is φ = 256912542.

The previous prime is 513825073. The next prime is 513825097. The reversal of 513825086 is 680528315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128456270 + ... + 128456273.

It is an arithmetic number, because the mean of its divisors is an integer number (192684408).

Almost surely, 2^513825086 is an apocalyptic number.

513825086 is a deficient number, since it is larger than the sum of its proper divisors (256912546).

513825086 is a wasteful number, since it uses less digits than its factorization.

513825086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256912545.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 513825086 is about 22667.7102063706. The cubic root of 513825086 is about 800.9494383877.

The spelling of 513825086 in words is "five hundred thirteen million, eight hundred twenty-five thousand, eighty-six".