254523617 has 2 divisors, whose sum is σ = 254523618. Its totient is φ = 254523616.

The previous prime is 254523557. The next prime is 254523667. The reversal of 254523617 is 716325452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254211136 + 312481 = 15944^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 254523617 - 2¹⁶ = 254458081 is a prime.

It is a super-2 number, since 2×254523617² = 129564543221525378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254523667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127261808 + 127261809.

It is an arithmetic number, because the mean of its divisors is an integer number (127261809).

Almost surely, 2^254523617 is an apocalyptic number.

It is an amenable number.

254523617 is a deficient number, since it is larger than the sum of its proper divisors (1).

254523617 is an equidigital number, since it uses as much as digits as its factorization.

254523617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 254523617 is about 15953.7963193718. The cubic root of 254523617 is about 633.7374355187.

It can be divided in two parts, 2545 and 23617, that added together give a palindrome (26162).

The spelling of 254523617 in words is "two hundred fifty-four million, five hundred twenty-three thousand, six hundred seventeen".