254516461 has 8 divisors (see below), whose sum is σ = 258974744. Its totient is φ = 250067520.

The previous prime is 254516453. The next prime is 254516467. The reversal of 254516461 is 164615452.

It can be written as a sum of positive squares in 4 ways, for example, as 73102500 + 181413961 = 8550^2 + 13469^2 .

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 254516461 - 2³ = 254516453 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 (254516467) 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, 73771 + ... + 77143.

It is an arithmetic number, because the mean of its divisors is an integer number (32371843).

Almost surely, 2^254516461 is an apocalyptic number.

It is an amenable number.

254516461 is a deficient number, since it is larger than the sum of its proper divisors (4458283).

254516461 is a wasteful number, since it uses less digits than its factorization.

254516461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its digits is 28800, while the sum is 34.

The square root of 254516461 is about 15953.5720451565. The cubic root of 254516461 is about 633.7314962301.

The spelling of 254516461 in words is "two hundred fifty-four million, five hundred sixteen thousand, four hundred sixty-one".