5381325661 has 8 divisors (see below), whose sum is σ = 5453686784. Its totient is φ = 5309433360.

The previous prime is 5381325659. The next prime is 5381325683. The reversal of 5381325661 is 1665231835.

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

It is a cyclic number.

It is not a de Polignac number, because 5381325661 - 2¹ = 5381325659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381325461) 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, 94065 + ... + 140038.

It is an arithmetic number, because the mean of its divisors is an integer number (681710848).

Almost surely, 2^5381325661 is an apocalyptic number.

It is an amenable number.

5381325661 is a deficient number, since it is larger than the sum of its proper divisors (72361123).

5381325661 is a wasteful number, since it uses less digits than its factorization.

5381325661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234411.

The product of its digits is 129600, while the sum is 40.

The square root of 5381325661 is about 73357.5194577897. The cubic root of 5381325661 is about 1752.3859331552.

The spelling of 5381325661 in words is "five billion, three hundred eighty-one million, three hundred twenty-five thousand, six hundred sixty-one".