254314021 has 16 divisors (see below), whose sum is σ = 290248560. Its totient is φ = 221114880.

The previous prime is 254314007. The next prime is 254314037. The reversal of 254314021 is 120413452.

It can be written as a sum of positive squares in 8 ways, for example, as 11390625 + 242923396 = 3375^2 + 15586^2 .

It is a cyclic number.

It is not a de Polignac number, because 254314021 - 2⁵ = 254313989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254313983 and 254314001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254314091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 23683.

It is an arithmetic number, because the mean of its divisors is an integer number (18140535).

Almost surely, 2^254314021 is an apocalyptic number.

It is an amenable number.

254314021 is a deficient number, since it is larger than the sum of its proper divisors (35934539).

254314021 is a wasteful number, since it uses less digits than its factorization.

254314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 254314021 is about 15947.2261224327. The cubic root of 254314021 is about 633.5634303051.

Adding to 254314021 its reverse (120413452), we get a palindrome (374727473).

The spelling of 254314021 in words is "two hundred fifty-four million, three hundred fourteen thousand, twenty-one".