513150403 has 2 divisors, whose sum is σ = 513150404. Its totient is φ = 513150402.

The previous prime is 513150377. The next prime is 513150479. The reversal of 513150403 is 304051315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513150403 - 2²¹ = 511053251 is a prime.

It is equal to p_27011173 and since 513150403 and 27011173 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (513150103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256575201 + 256575202.

It is an arithmetic number, because the mean of its divisors is an integer number (256575202).

Almost surely, 2^513150403 is an apocalyptic number.

513150403 is a deficient number, since it is larger than the sum of its proper divisors (1).

513150403 is an equidigital number, since it uses as much as digits as its factorization.

513150403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 513150403 is about 22652.8232898242. The cubic root of 513150403 is about 800.5987200353.

The spelling of 513150403 in words is "five hundred thirteen million, one hundred fifty thousand, four hundred three".