326667025 has 12 divisors (see below), whose sum is σ = 405303052. Its totient is φ = 261181440.

The previous prime is 326667023. The next prime is 326667071. The reversal of 326667025 is 520766623.

It can be written as a sum of positive squares in 6 ways, for example, as 2954961 + 323712064 = 1719^2 + 17992^2 .

It is not a de Polignac number, because 326667025 - 2¹ = 326667023 is a prime.

It is a super-2 number, since 2×326667025² = 213422690444701250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326667023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62929 + ... + 67921.

Almost surely, 2^326667025 is an apocalyptic number.

It is an amenable number.

326667025 is a deficient number, since it is larger than the sum of its proper divisors (78636027).

326667025 is a wasteful number, since it uses less digits than its factorization.

326667025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7615 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 326667025 is about 18073.9321952916. The cubic root of 326667025 is about 688.7079545876.

The spelling of 326667025 in words is "three hundred twenty-six million, six hundred sixty-seven thousand, twenty-five".