254609261 has 8 divisors (see below), whose sum is σ = 256620000. Its totient is φ = 252605520.

The previous prime is 254609233. The next prime is 254609279. The reversal of 254609261 is 162906452.

It is a happy number.

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 254609261 - 2¹⁸ = 254347117 is a prime.

It is a super-2 number, since 2×254609261² = 129651751573932242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254609281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88910 + ... + 91728.

It is an arithmetic number, because the mean of its divisors is an integer number (32077500).

Almost surely, 2^254609261 is an apocalyptic number.

It is an amenable number.

254609261 is a deficient number, since it is larger than the sum of its proper divisors (2010739).

254609261 is a wasteful number, since it uses less digits than its factorization.

254609261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 254609261 is about 15956.4802196474. The cubic root of 254609261 is about 633.8085091097.

The spelling of 254609261 in words is "two hundred fifty-four million, six hundred nine thousand, two hundred sixty-one".