5312005247 has 2 divisors, whose sum is σ = 5312005248. Its totient is φ = 5312005246.

The previous prime is 5312005241. The next prime is 5312005261. The reversal of 5312005247 is 7425002135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5312005247 - 2¹⁰ = 5312004223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312005241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656002623 + 2656002624.

It is an arithmetic number, because the mean of its divisors is an integer number (2656002624).

Almost surely, 2^5312005247 is an apocalyptic number.

5312005247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312005247 is an equidigital number, since it uses as much as digits as its factorization.

5312005247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 5312005247 is about 72883.5046289625. The cubic root of 5312005247 is about 1744.8288430743.

The spelling of 5312005247 in words is "five billion, three hundred twelve million, five thousand, two hundred forty-seven".