2721254357 has 2 divisors, whose sum is σ = 2721254358. Its totient is φ = 2721254356.

The previous prime is 2721254329. The next prime is 2721254491. The reversal of 2721254357 is 7534521272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1921156561 + 800097796 = 43831^2 + 28286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2721254357 - 2²² = 2717060053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2721254357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721254857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360627178 + 1360627179.

It is an arithmetic number, because the mean of its divisors is an integer number (1360627179).

Almost surely, 2^2721254357 is an apocalyptic number.

It is an amenable number.

2721254357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721254357 is an equidigital number, since it uses as much as digits as its factorization.

2721254357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 2721254357 is about 52165.6434542890. The cubic root of 2721254357 is about 1396.1209554463.

The spelling of 2721254357 in words is "two billion, seven hundred twenty-one million, two hundred fifty-four thousand, three hundred fifty-seven".