325651 has 4 divisors (see below), whose sum is σ = 329400. Its totient is φ = 321904.

The previous prime is 325643. The next prime is 325667. The reversal of 325651 is 156523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156523 = 193 ⋅811.

It is a cyclic number.

It is not a de Polignac number, because 325651 - 2³ = 325643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325631) 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, 1741 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (82350).

2³²⁵⁶⁵¹ is an apocalyptic number.

325651 is a deficient number, since it is larger than the sum of its proper divisors (3749).

325651 is an equidigital number, since it uses as much as digits as its factorization.

325651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748.

The product of its digits is 900, while the sum is 22.

The square root of 325651 is about 570.6583916846. The cubic root of 325651 is about 68.7993188818.

It can be divided in two parts, 325 and 651, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 325651 in words is "three hundred twenty-five thousand, six hundred fifty-one".