332805901 has 2 divisors, whose sum is σ = 332805902. Its totient is φ = 332805900.

The previous prime is 332805899. The next prime is 332805911. The reversal of 332805901 is 109508233.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288116676 + 44689225 = 16974^2 + 6685^2 .

It is an emirp because it is prime and its reverse (109508233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332805901 - 2¹ = 332805899 is a prime.

It is a super-2 number, since 2×332805901² = 221519535480843602, which contains 22 as substring.

Together with 332805899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332805911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166402950 + 166402951.

It is an arithmetic number, because the mean of its divisors is an integer number (166402951).

Almost surely, 2^332805901 is an apocalyptic number.

It is an amenable number.

332805901 is a deficient number, since it is larger than the sum of its proper divisors (1).

332805901 is an equidigital number, since it uses as much as digits as its factorization.

332805901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 332805901 is about 18242.9685358496. The cubic root of 332805901 is about 692.9953801435.

The spelling of 332805901 in words is "three hundred thirty-two million, eight hundred five thousand, nine hundred one".