513118950 has 24 divisors (see below), whose sum is σ = 1272535368. Its totient is φ = 136831680.

The previous prime is 513118943. The next prime is 513118951. The reversal of 513118950 is 59811315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513118951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1710247 + ... + 1710546.

It is an arithmetic number, because the mean of its divisors is an integer number (53022307).

Almost surely, 2^513118950 is an apocalyptic number.

513118950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513118950 is an abundant number, since it is smaller than the sum of its proper divisors (759416418).

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

513118950 is a wasteful number, since it uses less digits than its factorization.

513118950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420808 (or 3420803 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 513118950 is about 22652.1290390109. The cubic root of 513118950 is about 800.5823624230.

The spelling of 513118950 in words is "five hundred thirteen million, one hundred eighteen thousand, nine hundred fifty".