6513154247 has 2 divisors, whose sum is σ = 6513154248. Its totient is φ = 6513154246.

The previous prime is 6513154231. The next prime is 6513154303. The reversal of 6513154247 is 7424513156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6513154247 - 2⁴ = 6513154231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6513154247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6513154147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256577123 + 3256577124.

It is an arithmetic number, because the mean of its divisors is an integer number (3256577124).

Almost surely, 2^6513154247 is an apocalyptic number.

6513154247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6513154247 is an equidigital number, since it uses as much as digits as its factorization.

6513154247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 6513154247 is about 80704.1154279012. The cubic root of 6513154247 is about 1867.5136627741.

The spelling of 6513154247 in words is "six billion, five hundred thirteen million, one hundred fifty-four thousand, two hundred forty-seven".