254694641 has 2 divisors, whose sum is σ = 254694642. Its totient is φ = 254694640.

The previous prime is 254694637. The next prime is 254694683. The reversal of 254694641 is 146496452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 32535616 = 14905^2 + 5704^2 .

It is a cyclic number.

It is not a de Polignac number, because 254694641 - 2² = 254694637 is a prime.

It is not a weakly prime, because it can be changed into another prime (254694611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127347320 + 127347321.

It is an arithmetic number, because the mean of its divisors is an integer number (127347321).

Almost surely, 2^254694641 is an apocalyptic number.

It is an amenable number.

254694641 is a deficient number, since it is larger than the sum of its proper divisors (1).

254694641 is an equidigital number, since it uses as much as digits as its factorization.

254694641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 254694641 is about 15959.1553974513. The cubic root of 254694641 is about 633.8793477515.

The spelling of 254694641 in words is "two hundred fifty-four million, six hundred ninety-four thousand, six hundred forty-one".