513987046 has 8 divisors (see below), whose sum is σ = 773612784. Its totient is φ = 256116120.

The previous prime is 513987043. The next prime is 513987101. The reversal of 513987046 is 640789315.

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

It is a super-2 number, since 2×513987046² = 528365366911612232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513986993 and 513987011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513987043) 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, 437970 + ... + 439141.

It is an arithmetic number, because the mean of its divisors is an integer number (96701598).

Almost surely, 2^513987046 is an apocalyptic number.

513987046 is a deficient number, since it is larger than the sum of its proper divisors (259625738).

513987046 is a wasteful number, since it uses less digits than its factorization.

513987046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877406.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 513987046 is about 22671.2824074863. The cubic root of 513987046 is about 801.0335838471.

The spelling of 513987046 in words is "five hundred thirteen million, nine hundred eighty-seven thousand, forty-six".