254261641 has 2 divisors, whose sum is σ = 254261642. Its totient is φ = 254261640.

The previous prime is 254261611. The next prime is 254261653. The reversal of 254261641 is 146162452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205205625 + 49056016 = 14325^2 + 7004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254261641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254261611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127130820 + 127130821.

It is an arithmetic number, because the mean of its divisors is an integer number (127130821).

Almost surely, 2^254261641 is an apocalyptic number.

It is an amenable number.

254261641 is a deficient number, since it is larger than the sum of its proper divisors (1).

254261641 is an equidigital number, since it uses as much as digits as its factorization.

254261641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 254261641 is about 15945.5837459781. The cubic root of 254261641 is about 633.5199298445.

The spelling of 254261641 in words is "two hundred fifty-four million, two hundred sixty-one thousand, six hundred forty-one".