1352514221 has 16 divisors (see below), whose sum is σ = 1486195200. Its totient is φ = 1226016000.

The previous prime is 1352514199. The next prime is 1352514227. The reversal of 1352514221 is 1224152531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352514221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352514227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39521 + ... + 65321.

It is an arithmetic number, because the mean of its divisors is an integer number (92887200).

Almost surely, 2^1352514221 is an apocalyptic number.

It is an amenable number.

1352514221 is a deficient number, since it is larger than the sum of its proper divisors (133680979).

1352514221 is a wasteful number, since it uses less digits than its factorization.

1352514221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25940.

The product of its digits is 2400, while the sum is 26.

The square root of 1352514221 is about 36776.5444407166. The cubic root of 1352514221 is about 1105.8951329405.

Adding to 1352514221 its reverse (1224152531), we get a palindrome (2576666752).

The spelling of 1352514221 in words is "one billion, three hundred fifty-two million, five hundred fourteen thousand, two hundred twenty-one".