1383652261 has 4 divisors (see below), whose sum is σ = 1394214624. Its totient is φ = 1373089900.

The previous prime is 1383652243. The next prime is 1383652271. The reversal of 1383652261 is 1622563831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1622563831 = 7 ⋅231794833.

It is a cyclic number.

It is not a de Polignac number, because 1383652261 - 2²³ = 1375263653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383652261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383652201) 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 3 ways as a sum of consecutive naturals, for example, 5280985 + ... + 5281246.

It is an arithmetic number, because the mean of its divisors is an integer number (348553656).

Almost surely, 2^1383652261 is an apocalyptic number.

It is an amenable number.

1383652261 is a deficient number, since it is larger than the sum of its proper divisors (10562363).

1383652261 is a wasteful number, since it uses less digits than its factorization.

1383652261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562362.

The product of its digits is 51840, while the sum is 37.

The square root of 1383652261 is about 37197.4765407548. The cubic root of 1383652261 is about 1114.3175889594.

The spelling of 1383652261 in words is "one billion, three hundred eighty-three million, six hundred fifty-two thousand, two hundred sixty-one".