254461661 has 8 divisors (see below), whose sum is σ = 283610880. Its totient is φ = 226888128.

The previous prime is 254461651. The next prime is 254461667. The reversal of 254461661 is 166164452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254461661 - 2²² = 250267357 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 (254461667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393581 + ... + 394226.

It is an arithmetic number, because the mean of its divisors is an integer number (35451360).

Almost surely, 2^254461661 is an apocalyptic number.

It is an amenable number.

254461661 is a deficient number, since it is larger than the sum of its proper divisors (29149219).

254461661 is a wasteful number, since it uses less digits than its factorization.

254461661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787843.

The product of its digits is 34560, while the sum is 35.

The square root of 254461661 is about 15951.8544689951. The cubic root of 254461661 is about 633.6860100055.

The spelling of 254461661 in words is "two hundred fifty-four million, four hundred sixty-one thousand, six hundred sixty-one".