513500350 has 48 divisors (see below), whose sum is σ = 1050039936. Its totient is φ = 185276000.

The previous prime is 513500347. The next prime is 513500353. The reversal of 513500350 is 53005315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (513500347) and next prime (513500353).

It is a super-3 number, since 3×513500350³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513500353) 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, 68487 + ... + 75613.

It is an arithmetic number, because the mean of its divisors is an integer number (21875832).

Almost surely, 2^513500350 is an apocalyptic number.

513500350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513500350 is an abundant number, since it is smaller than the sum of its proper divisors (536539586).

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

513500350 is a wasteful number, since it uses less digits than its factorization.

513500350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 513500350 is about 22660.5461099242. The cubic root of 513500350 is about 800.7806702363.

Adding to 513500350 its reverse (53005315), we get a palindrome (566505665).

The spelling of 513500350 in words is "five hundred thirteen million, five hundred thousand, three hundred fifty".