513042459 has 12 divisors (see below), whose sum is σ = 698929704. Its totient is φ = 334746784.

The previous prime is 513042437. The next prime is 513042469. The reversal of 513042459 is 954240315.

It is not a de Polignac number, because 513042459 - 2¹⁵ = 513009691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513042469) 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, 32082 + ... + 45335.

It is an arithmetic number, because the mean of its divisors is an integer number (58244142).

Almost surely, 2^513042459 is an apocalyptic number.

513042459 is a deficient number, since it is larger than the sum of its proper divisors (185887245).

513042459 is an equidigital number, since it uses as much as digits as its factorization.

513042459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77514 (or 77467 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 513042459 is about 22650.4405917413. The cubic root of 513042459 is about 800.5425793222.

The spelling of 513042459 in words is "five hundred thirteen million, forty-two thousand, four hundred fifty-nine".