513553039 has 4 divisors (see below), whose sum is σ = 535881456. Its totient is φ = 491224624.

The previous prime is 513553013. The next prime is 513553043. The reversal of 513553039 is 930355315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930355315 = 5 ⋅186071063.

It is a cyclic number.

It is not a de Polignac number, because 513553039 - 2⁷ = 513552911 is a prime.

It is a super-2 number, since 2×513553039² = 527473447732271042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513552995 and 513553013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513553049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11164174 + ... + 11164219.

It is an arithmetic number, because the mean of its divisors is an integer number (133970364).

Almost surely, 2^513553039 is an apocalyptic number.

513553039 is a deficient number, since it is larger than the sum of its proper divisors (22328417).

513553039 is a wasteful number, since it uses less digits than its factorization.

513553039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22328416.

The product of its (nonzero) digits is 30375, while the sum is 34.

The square root of 513553039 is about 22661.7086513793. The cubic root of 513553039 is about 800.8080580072.

The spelling of 513553039 in words is "five hundred thirteen million, five hundred fifty-three thousand, thirty-nine".