5207181247 has 8 divisors (see below), whose sum is σ = 5303098080. Its totient is φ = 5111604960.

The previous prime is 5207181233. The next prime is 5207181253. The reversal of 5207181247 is 7421817025.

5207181247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5207181247 - 2²³ = 5198792639 is a prime.

It is a super-2 number, since 2×5207181247² = 54229473078216950018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207181547) 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, 54172 + ... + 115537.

It is an arithmetic number, because the mean of its divisors is an integer number (662887260).

Almost surely, 2^5207181247 is an apocalyptic number.

5207181247 is a deficient number, since it is larger than the sum of its proper divisors (95916833).

5207181247 is a wasteful number, since it uses less digits than its factorization.

5207181247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170273.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 5207181247 is about 72160.8013189987. The cubic root of 5207181247 is about 1733.2753665238.

The spelling of 5207181247 in words is "five billion, two hundred seven million, one hundred eighty-one thousand, two hundred forty-seven".