1352841961 has 3 divisors (see below), whose sum is σ = 1352878743. Its totient is φ = 1352805180.

The previous prime is 1352841947. The next prime is 1352841979. The reversal of 1352841961 is 1691482531.

The square root of 1352841961 is 36781.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1691482531 = 673 ⋅2513347.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 1343955600 = 2981^2 + 36660^2 .

It is not a de Polignac number, because 1352841961 - 2¹¹ = 1352839913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352841661) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18391 + ... + 55171.

It is an arithmetic number, because the mean of its divisors is an integer number (450959581).

Almost surely, 2^1352841961 is an apocalyptic number.

1352841961 is the 36781-st square number.

1352841961 is the 18391-st centered octagonal number.

It is an amenable number.

1352841961 is a deficient number, since it is larger than the sum of its proper divisors (36782).

1352841961 is an frugal number, since it uses more digits than its factorization.

1352841961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73562 (or 36781 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The cubic root of 1352841961 is about 1105.9844522229.

The spelling of 1352841961 in words is "one billion, three hundred fifty-two million, eight hundred forty-one thousand, nine hundred sixty-one".