332788649 has 2 divisors, whose sum is σ = 332788650. Its totient is φ = 332788648.

The previous prime is 332788639. The next prime is 332788699. The reversal of 332788649 is 946887233.

It is an a-pointer prime, because the next prime (332788699) can be obtained adding 332788649 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218448400 + 114340249 = 14780^2 + 10693^2 .

It is a cyclic number.

It is not a de Polignac number, because 332788649 - 2¹² = 332784553 is a prime.

It is a super-2 number, since 2×332788649² = 221496569806490402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 332788597 and 332788606.

It is not a weakly prime, because it can be changed into another prime (332788609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166394324 + 166394325.

It is an arithmetic number, because the mean of its divisors is an integer number (166394325).

Almost surely, 2^332788649 is an apocalyptic number.

It is an amenable number.

332788649 is a deficient number, since it is larger than the sum of its proper divisors (1).

332788649 is an equidigital number, since it uses as much as digits as its factorization.

332788649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 332788649 is about 18242.4956900091. The cubic root of 332788649 is about 692.9834054331.

The spelling of 332788649 in words is "three hundred thirty-two million, seven hundred eighty-eight thousand, six hundred forty-nine".