254310661 has 6 divisors (see below), whose sum is σ = 279531686. Its totient is φ = 231191400.

The previous prime is 254310631. The next prime is 254310689. The reversal of 254310661 is 166013452.

It can be written as a sum of positive squares in only one way, i.e., 207648100 + 46662561 = 14410^2 + 6831^2 .

It is not a de Polignac number, because 254310661 - 2⁵ = 254310629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254310601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050750 + ... + 1050991.

Almost surely, 2^254310661 is an apocalyptic number.

It is an amenable number.

254310661 is a deficient number, since it is larger than the sum of its proper divisors (25221025).

254310661 is a wasteful number, since it uses less digits than its factorization.

254310661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101763 (or 2101752 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 254310661 is about 15947.1207746101. The cubic root of 254310661 is about 633.5606400768.

The spelling of 254310661 in words is "two hundred fifty-four million, three hundred ten thousand, six hundred sixty-one".