254235352243 has 2 divisors, whose sum is σ = 254235352244. Its totient is φ = 254235352242.

The previous prime is 254235352169. The next prime is 254235352249. The reversal of 254235352243 is 342253532452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254235352243 is a prime.

It is a super-2 number, since 2×254235352243² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254235352196 and 254235352205.

It is not a weakly prime, because it can be changed into another prime (254235352249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127117676121 + 127117676122.

It is an arithmetic number, because the mean of its divisors is an integer number (127117676122).

Almost surely, 2^254235352243 is an apocalyptic number.

254235352243 is a deficient number, since it is larger than the sum of its proper divisors (1).

254235352243 is an equidigital number, since it uses as much as digits as its factorization.

254235352243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 40.

Adding to 254235352243 its reverse (342253532452), we get a palindrome (596488884695).

The spelling of 254235352243 in words is "two hundred fifty-four billion, two hundred thirty-five million, three hundred fifty-two thousand, two hundred forty-three".