513204146 has 40 divisors (see below), whose sum is σ = 967252524. Its totient is φ = 203001120.

The previous prime is 513204137. The next prime is 513204149. The reversal of 513204146 is 641402315.

It can be written as a sum of positive squares in 2 ways, for example, as 510262921 + 2941225 = 22589^2 + 1715^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (513204149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58316 + ... + 66536.

Almost surely, 2^513204146 is an apocalyptic number.

513204146 is a deficient number, since it is larger than the sum of its proper divisors (454048378).

513204146 is an equidigital number, since it uses as much as digits as its factorization.

513204146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 513204146 is about 22654.0094905957. The cubic root of 513204146 is about 800.6266683553.

The spelling of 513204146 in words is "five hundred thirteen million, two hundred four thousand, one hundred forty-six".