513039769 has 8 divisors (see below), whose sum is σ = 559874880. Its totient is φ = 466237200.

The previous prime is 513039757. The next prime is 513039773. The reversal of 513039769 is 967930315.

It is a happy number.

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

It is not a de Polignac number, because 513039769 - 2²¹ = 510942617 is a prime.

It is a super-2 number, since 2×513039769² = 526419609151146722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513039469) 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, 34639 + ... + 47179.

It is an arithmetic number, because the mean of its divisors is an integer number (69984360).

Almost surely, 2^513039769 is an apocalyptic number.

It is an amenable number.

513039769 is a deficient number, since it is larger than the sum of its proper divisors (46835111).

513039769 is a wasteful number, since it uses less digits than its factorization.

513039769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 513039769 is about 22650.3812109200. The cubic root of 513039769 is about 800.5411801766.

The spelling of 513039769 in words is "five hundred thirteen million, thirty-nine thousand, seven hundred sixty-nine".