1454727321 has 6 divisors (see below), whose sum is σ = 2101272810. Its totient is φ = 969818208.

The previous prime is 1454727317. The next prime is 1454727331. The reversal of 1454727321 is 1237274541.

It can be written as a sum of positive squares in only one way, i.e., 1450467225 + 4260096 = 38085^2 + 2064^2 .

It is not a de Polignac number, because 1454727321 - 2² = 1454727317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1454727301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80818176 + ... + 80818193.

It is an arithmetic number, because the mean of its divisors is an integer number (350212135).

Almost surely, 2^1454727321 is an apocalyptic number.

It is an amenable number.

1454727321 is a deficient number, since it is larger than the sum of its proper divisors (646545489).

1454727321 is a wasteful number, since it uses less digits than its factorization.

1454727321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161636375 (or 161636372 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1454727321 is about 38140.8877846334. The cubic root of 1454727321 is about 1133.0798901462.

The spelling of 1454727321 in words is "one billion, four hundred fifty-four million, seven hundred twenty-seven thousand, three hundred twenty-one".