513293385 has 32 divisors (see below), whose sum is σ = 896947200. Its totient is φ = 248587200.

The previous prime is 513293383. The next prime is 513293387. The reversal of 513293385 is 583392315.

It is an interprime number because it is at equal distance from previous prime (513293383) and next prime (513293387).

It is not a de Polignac number, because 513293385 - 2¹ = 513293383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513293383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279420 + ... + 281250.

It is an arithmetic number, because the mean of its divisors is an integer number (28029600).

Almost surely, 2^513293385 is an apocalyptic number.

513293385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513293385 is a deficient number, since it is larger than the sum of its proper divisors (383653815).

513293385 is a wasteful number, since it uses less digits than its factorization.

513293385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its digits is 97200, while the sum is 39.

The square root of 513293385 is about 22655.9790121725. The cubic root of 513293385 is about 800.6730715803.

The spelling of 513293385 in words is "five hundred thirteen million, two hundred ninety-three thousand, three hundred eighty-five".