322525681 has 3 divisors (see below), whose sum is σ = 322543641. Its totient is φ = 322507722.

The previous prime is 322525673. The next prime is 322525691. The reversal of 322525681 is 186525223.

The square root of 322525681 is 17959.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 186525223 = 19 ⋅9817117.

It is not a de Polignac number, because 322525681 - 2³ = 322525673 is a prime.

It is a super-2 number, since 2×322525681² = 208045629809027522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322525631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8980 + ... + 26938.

It is an arithmetic number, because the mean of its divisors is an integer number (107514547).

Almost surely, 2^322525681 is an apocalyptic number.

322525681 is the 17959-th square number.

322525681 is the 8980-th centered octagonal number.

It is an amenable number.

322525681 is a deficient number, since it is larger than the sum of its proper divisors (17960).

322525681 is an frugal number, since it uses more digits than its factorization.

322525681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35918 (or 17959 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The cubic root of 322525681 is about 685.7851873260.

The spelling of 322525681 in words is "three hundred twenty-two million, five hundred twenty-five thousand, six hundred eighty-one".