254288641 has 2 divisors, whose sum is σ = 254288642. Its totient is φ = 254288640.

The previous prime is 254288633. The next prime is 254288663. The reversal of 254288641 is 146882452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246364416 + 7924225 = 15696^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 254288641 - 2³ = 254288633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254288594 and 254288603.

It is not a weakly prime, because it can be changed into another prime (254288611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127144320 + 127144321.

It is an arithmetic number, because the mean of its divisors is an integer number (127144321).

Almost surely, 2^254288641 is an apocalyptic number.

It is an amenable number.

254288641 is a deficient number, since it is larger than the sum of its proper divisors (1).

254288641 is an equidigital number, since it uses as much as digits as its factorization.

254288641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 40.

The square root of 254288641 is about 15946.4303529034. The cubic root of 254288641 is about 633.5423535083.

The spelling of 254288641 in words is "two hundred fifty-four million, two hundred eighty-eight thousand, six hundred forty-one".