5322325661 has 4 divisors (see below), whose sum is σ = 5452138524. Its totient is φ = 5192512800.

The previous prime is 5322325639. The next prime is 5322325693. The reversal of 5322325661 is 1665232235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1665232235 = 5 ⋅333046447.

It can be written as a sum of positive squares in 2 ways, for example, as 566154436 + 4756171225 = 23794^2 + 68965^2 .

It is a cyclic number.

It is not a de Polignac number, because 5322325661 - 2²⁶ = 5255216797 is a prime.

It is a super-3 number, since 3×5322325661³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5322325621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64906370 + ... + 64906451.

It is an arithmetic number, because the mean of its divisors is an integer number (1363034631).

Almost surely, 2^5322325661 is an apocalyptic number.

It is an amenable number.

5322325661 is a deficient number, since it is larger than the sum of its proper divisors (129812863).

5322325661 is a wasteful number, since it uses less digits than its factorization.

5322325661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129812862.

The product of its digits is 64800, while the sum is 35.

The square root of 5322325661 is about 72954.2710264451. The cubic root of 5322325661 is about 1745.9580906251.

Adding to 5322325661 its reverse (1665232235), we get a palindrome (6987557896).

The spelling of 5322325661 in words is "five billion, three hundred twenty-two million, three hundred twenty-five thousand, six hundred sixty-one".