513937417 has 4 divisors (see below), whose sum is σ = 587357056. Its totient is φ = 440517780.

The previous prime is 513937399. The next prime is 513937427. The reversal of 513937417 is 714739315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714739315 = 5 ⋅142947863.

It is a cyclic number.

It is not a de Polignac number, because 513937417 - 2¹⁵ = 513904649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513937417.

It is not an unprimeable number, because it can be changed into a prime (513937427) 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, 36709809 + ... + 36709822.

It is an arithmetic number, because the mean of its divisors is an integer number (146839264).

Almost surely, 2^513937417 is an apocalyptic number.

It is an amenable number.

513937417 is a deficient number, since it is larger than the sum of its proper divisors (73419639).

513937417 is an equidigital number, since it uses as much as digits as its factorization.

513937417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73419638.

The product of its digits is 79380, while the sum is 40.

The square root of 513937417 is about 22670.1878465971. The cubic root of 513937417 is about 801.0078012419.

The spelling of 513937417 in words is "five hundred thirteen million, nine hundred thirty-seven thousand, four hundred seventeen".