332821025 has 6 divisors (see below), whose sum is σ = 412698102. Its totient is φ = 266256800.

The previous prime is 332821007. The next prime is 332821051. The reversal of 332821025 is 520128233.

It can be written as a sum of positive squares in 3 ways, for example, as 13162384 + 319658641 = 3628^2 + 17879^2 .

It is not a de Polignac number, because 332821025 - 2⁸ = 332820769 is a prime.

It is a super-2 number, since 2×332821025² = 221539669364101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332820985 and 332821003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6656396 + ... + 6656445.

It is an arithmetic number, because the mean of its divisors is an integer number (68783017).

Almost surely, 2^332821025 is an apocalyptic number.

It is an amenable number.

332821025 is a deficient number, since it is larger than the sum of its proper divisors (79877077).

332821025 is a wasteful number, since it uses less digits than its factorization.

332821025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312851 (or 13312846 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 332821025 is about 18243.3830470119. The cubic root of 332821025 is about 693.0058774568.

Adding to 332821025 its reverse (520128233), we get a palindrome (852949258).

The spelling of 332821025 in words is "three hundred thirty-two million, eight hundred twenty-one thousand, twenty-five".