513251010 has 48 divisors (see below), whose sum is σ = 1365496704. Its totient is φ = 133682976.

The previous prime is 513250999. The next prime is 513251017. The reversal of 513251010 is 10152315.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (513251017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62442 + ... + 70181.

It is an arithmetic number, because the mean of its divisors is an integer number (28447848).

Almost surely, 2^513251010 is an apocalyptic number.

513251010 is an abundant number, since it is smaller than the sum of its proper divisors (852245694).

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

513251010 is a wasteful number, since it uses less digits than its factorization.

513251010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132679 (or 132676 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 513251010 is about 22655.0438092713. The cubic root of 513251010 is about 800.6510377519.

The spelling of 513251010 in words is "five hundred thirteen million, two hundred fifty-one thousand, ten".