1321352514 has 20 divisors (see below), whose sum is σ = 2960808774. Its totient is φ = 440450784.

The previous prime is 1321352497. The next prime is 1321352519. The reversal of 1321352514 is 4152531231.

1321352514 is a `hidden beast` number, since 13 + 2 + 135 + 2 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1320086889 + 1265625 = 36333^2 + 1125^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1321352519) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4078087 + ... + 4078410.

Almost surely, 2^1321352514 is an apocalyptic number.

1321352514 is an abundant number, since it is smaller than the sum of its proper divisors (1639456260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321352514 is an equidigital number, since it uses as much as digits as its factorization.

1321352514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156511 (or 8156502 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1321352514 is about 36350.4128449733. The cubic root of 1321352514 is about 1097.3358430836.

Adding to 1321352514 its reverse (4152531231), we get a palindrome (5473883745).

The spelling of 1321352514 in words is "one billion, three hundred twenty-one million, three hundred fifty-two thousand, five hundred fourteen".