1427253321 has 16 divisors (see below), whose sum is σ = 2069686080. Its totient is φ = 869611200.

The previous prime is 1427253313. The next prime is 1427253341. The reversal of 1427253321 is 1233527241.

It is not a de Polignac number, because 1427253321 - 2³ = 1427253313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427253341) 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 15 ways as a sum of consecutive naturals, for example, 177231 + ... + 185108.

It is an arithmetic number, because the mean of its divisors is an integer number (129355380).

Almost surely, 2^1427253321 is an apocalyptic number.

It is an amenable number.

1427253321 is a deficient number, since it is larger than the sum of its proper divisors (642432759).

1427253321 is a wasteful number, since it uses less digits than its factorization.

1427253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362456.

The product of its digits is 10080, while the sum is 30.

The square root of 1427253321 is about 37779.0063527351. The cubic root of 1427253321 is about 1125.9013868211.

The spelling of 1427253321 in words is "one billion, four hundred twenty-seven million, two hundred fifty-three thousand, three hundred twenty-one".