513400285 has 8 divisors (see below), whose sum is σ = 619860960. Its totient is φ = 408199824.

The previous prime is 513400267. The next prime is 513400309. The reversal of 513400285 is 582004315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513400285 - 2¹⁷ = 513269213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314155 + ... + 315784.

It is an arithmetic number, because the mean of its divisors is an integer number (77482620).

Almost surely, 2^513400285 is an apocalyptic number.

It is an amenable number.

513400285 is a deficient number, since it is larger than the sum of its proper divisors (106460675).

513400285 is a wasteful number, since it uses less digits than its factorization.

513400285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630107.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 513400285 is about 22658.3380899836. The cubic root of 513400285 is about 800.7286512369.

It can be divided in two parts, 51 and 3400285, that added together give a square (3400336 = 1844²).

The spelling of 513400285 in words is "five hundred thirteen million, four hundred thousand, two hundred eighty-five".