332797681 has 4 divisors (see below), whose sum is σ = 333095152. Its totient is φ = 332500212.

The previous prime is 332797651. The next prime is 332797739. The reversal of 332797681 is 186797233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186797233 = 7 ⋅26685319.

It is a cyclic number.

It is not a de Polignac number, because 332797681 - 2²³ = 324409073 is a prime.

It is a super-2 number, since 2×332797681² = 221508592957955522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332797631) 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, 147051 + ... + 149296.

It is an arithmetic number, because the mean of its divisors is an integer number (83273788).

Almost surely, 2^332797681 is an apocalyptic number.

It is an amenable number.

332797681 is a deficient number, since it is larger than the sum of its proper divisors (297471).

332797681 is a wasteful number, since it uses less digits than its factorization.

332797681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297470.

The product of its digits is 381024, while the sum is 46.

The square root of 332797681 is about 18242.7432421771. The cubic root of 332797681 is about 692.9896746468.

The spelling of 332797681 in words is "three hundred thirty-two million, seven hundred ninety-seven thousand, six hundred eighty-one".