325622025 has 45 divisors (see below), whose sum is σ = 604672453. Its totient is φ = 173232000.

The previous prime is 325621999. The next prime is 325622027. The reversal of 325622025 is 520226523.

The square root of 325622025 is 18045.

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

325622025 is a `hidden beast` number, since 32 + 5 + 622 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87104889 + 238517136 = 9333^2 + 15444^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 325622025 - 2¹⁹ = 325097737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325622025.

It is not an unprimeable number, because it can be changed into a prime (325622027) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 811825 + ... + 812225.

Almost surely, 2^325622025 is an apocalyptic number.

325622025 is the 18045-th square number.

325622025 is the 9023-rd centered octagonal number.

It is an amenable number.

325622025 is a deficient number, since it is larger than the sum of its proper divisors (279050428).

325622025 is an frugal number, since it uses more digits than its factorization.

325622025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The cubic root of 325622025 is about 687.9727833395.

Adding to 325622025 its reverse (520226523), we get a palindrome (845848548).

It can be divided in two parts, 3256 and 22025, that added together give a square (25281 = 159²).

The spelling of 325622025 in words is "three hundred twenty-five million, six hundred twenty-two thousand, twenty-five".