332342261 has 2 divisors, whose sum is σ = 332342262. Its totient is φ = 332342260.

The previous prime is 332342201. The next prime is 332342293. The reversal of 332342261 is 162243233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330148900 + 2193361 = 18170^2 + 1481^2 .

It is an emirp because it is prime and its reverse (162243233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332342261 - 2¹⁸ = 332080117 is a prime.

It is a super-2 number, since 2×332342261² = 220902756893184242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 332342261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332342201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166171130 + 166171131.

It is an arithmetic number, because the mean of its divisors is an integer number (166171131).

Almost surely, 2^332342261 is an apocalyptic number.

It is an amenable number.

332342261 is a deficient number, since it is larger than the sum of its proper divisors (1).

332342261 is an equidigital number, since it uses as much as digits as its factorization.

332342261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 332342261 is about 18230.2567453122. The cubic root of 332342261 is about 692.6734210111.

Adding to 332342261 its reverse (162243233), we get a palindrome (494585494).

The spelling of 332342261 in words is "three hundred thirty-two million, three hundred forty-two thousand, two hundred sixty-one".