1352326661 has 8 divisors (see below), whose sum is σ = 1565080320. Its totient is φ = 1144464048.

The previous prime is 1352326643. The next prime is 1352326681. The reversal of 1352326661 is 1666232531.

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

It is not a de Polignac number, because 1352326661 - 2⁶ = 1352326597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352326601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222166 + ... + 1223271.

It is an arithmetic number, because the mean of its divisors is an integer number (195635040).

Almost surely, 2^1352326661 is an apocalyptic number.

It is an amenable number.

1352326661 is a deficient number, since it is larger than the sum of its proper divisors (212753659).

1352326661 is an equidigital number, since it uses as much as digits as its factorization.

1352326661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445523.

The product of its digits is 38880, while the sum is 35.

The square root of 1352326661 is about 36773.9943574260. The cubic root of 1352326661 is about 1105.8440105501.

The spelling of 1352326661 in words is "one billion, three hundred fifty-two million, three hundred twenty-six thousand, six hundred sixty-one".