254361621 has 8 divisors (see below), whose sum is σ = 340374304. Its totient is φ = 168961680.

The previous prime is 254361617. The next prime is 254361629. The reversal of 254361621 is 126163452.

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

It is not a de Polignac number, because 254361621 - 2² = 254361617 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 (254361629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152215 + ... + 153876.

It is an arithmetic number, because the mean of its divisors is an integer number (42546788).

Almost surely, 2^254361621 is an apocalyptic number.

It is an amenable number.

254361621 is a deficient number, since it is larger than the sum of its proper divisors (86012683).

254361621 is a wasteful number, since it uses less digits than its factorization.

254361621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306371.

The product of its digits is 8640, while the sum is 30.

The square root of 254361621 is about 15948.7184751628. The cubic root of 254361621 is about 633.6029558987.

The spelling of 254361621 in words is "two hundred fifty-four million, three hundred sixty-one thousand, six hundred twenty-one".