5178604513 has 4 divisors (see below), whose sum is σ = 5192715520. Its totient is φ = 5164493508.

The previous prime is 5178604499. The next prime is 5178604531. The reversal of 5178604513 is 3154068715.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5178604513 - 2²⁵ = 5145050081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178604573) 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, 7054953 + ... + 7055686.

It is an arithmetic number, because the mean of its divisors is an integer number (1298178880).

Almost surely, 2^5178604513 is an apocalyptic number.

It is an amenable number.

5178604513 is a deficient number, since it is larger than the sum of its proper divisors (14111007).

5178604513 is a wasteful number, since it uses less digits than its factorization.

5178604513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111006.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 5178604513 is about 71962.5215858922. The cubic root of 5178604513 is about 1730.0988408450.

The spelling of 5178604513 in words is "five billion, one hundred seventy-eight million, six hundred four thousand, five hundred thirteen".