1352252642 has 8 divisors (see below), whose sum is σ = 2184408156. Its totient is φ = 624116592.

The previous prime is 1352252633. The next prime is 1352252659. The reversal of 1352252642 is 2462522531.

It can be written as a sum of positive squares in 2 ways, for example, as 1341683641 + 10569001 = 36629^2 + 3251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1352252599 and 1352252608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26004833 + ... + 26004884.

Almost surely, 2^1352252642 is an apocalyptic number.

1352252642 is a deficient number, since it is larger than the sum of its proper divisors (832155514).

1352252642 is a wasteful number, since it uses less digits than its factorization.

1352252642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52009732.

The product of its digits is 28800, while the sum is 32.

The square root of 1352252642 is about 36772.9879395189. The cubic root of 1352252642 is about 1105.8238342215.

The spelling of 1352252642 in words is "one billion, three hundred fifty-two million, two hundred fifty-two thousand, six hundred forty-two".