513803373 has 16 divisors (see below), whose sum is σ = 689719296. Its totient is φ = 340219440.

The previous prime is 513803363. The next prime is 513803399. The reversal of 513803373 is 373308315.

It is not a de Polignac number, because 513803373 - 2¹⁰ = 513802349 is a prime.

It is a super-2 number, since 2×513803373² = 527987812212354258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513803333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542086 + ... + 543032.

It is an arithmetic number, because the mean of its divisors is an integer number (43107456).

Almost surely, 2^513803373 is an apocalyptic number.

It is an amenable number.

513803373 is a deficient number, since it is larger than the sum of its proper divisors (175915923).

513803373 is a wasteful number, since it uses less digits than its factorization.

513803373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 513803373 is about 22667.2312601253. The cubic root of 513803373 is about 800.9381561695.

The spelling of 513803373 in words is "five hundred thirteen million, eight hundred three thousand, three hundred seventy-three".