513223498 has 16 divisors (see below), whose sum is σ = 796937760. Its totient is φ = 247590000.

The previous prime is 513223483. The next prime is 513223499. The reversal of 513223498 is 894322315.

It is not an unprimeable number, because it can be changed into a prime (513223499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128593 + ... + 132523.

It is an arithmetic number, because the mean of its divisors is an integer number (49808610).

Almost surely, 2^513223498 is an apocalyptic number.

513223498 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

513223498 is a deficient number, since it is larger than the sum of its proper divisors (283714262).

513223498 is a wasteful number, since it uses less digits than its factorization.

513223498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213.

The product of its digits is 51840, while the sum is 37.

The square root of 513223498 is about 22654.4366074286. The cubic root of 513223498 is about 800.6367316233.

The spelling of 513223498 in words is "five hundred thirteen million, two hundred twenty-three thousand, four hundred ninety-eight".