2654620247 has 2 divisors, whose sum is σ = 2654620248. Its totient is φ = 2654620246.

The previous prime is 2654620211. The next prime is 2654620259. The reversal of 2654620247 is 7420264562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2654620247 - 2¹⁰ = 2654619223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2654620247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2654620277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327310123 + 1327310124.

It is an arithmetic number, because the mean of its divisors is an integer number (1327310124).

Almost surely, 2^2654620247 is an apocalyptic number.

2654620247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654620247 is an equidigital number, since it uses as much as digits as its factorization.

2654620247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 2654620247 is about 51523.0069677615. The cubic root of 2654620247 is about 1384.6312662518.

The spelling of 2654620247 in words is "two billion, six hundred fifty-four million, six hundred twenty thousand, two hundred forty-seven".