2571928243 has 2 divisors, whose sum is σ = 2571928244. Its totient is φ = 2571928242.

The previous prime is 2571928193. The next prime is 2571928267. The reversal of 2571928243 is 3428291752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2571928243 - 2²⁹ = 2035057331 is a prime.

It is a super-2 number, since 2×2571928243² = 13229629774282134098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2571928243.

It is not a weakly prime, because it can be changed into another prime (2571928273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285964121 + 1285964122.

It is an arithmetic number, because the mean of its divisors is an integer number (1285964122).

Almost surely, 2^2571928243 is an apocalyptic number.

2571928243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571928243 is an equidigital number, since it uses as much as digits as its factorization.

2571928243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 2571928243 is about 50714.1818725295. The cubic root of 2571928243 is about 1370.1021542808.

The spelling of 2571928243 in words is "two billion, five hundred seventy-one million, nine hundred twenty-eight thousand, two hundred forty-three".