325778 has 4 divisors (see below), whose sum is σ = 488670. Its totient is φ = 162888.

The previous prime is 325777. The next prime is 325781. The reversal of 325778 is 877523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 26569 = 547^2 + 163^2 .

It is a super-2 number, since 2×325778² = 212262610568, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 325778.

It is not an unprimeable number, because it can be changed into a prime (325777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81443 + ... + 81446.

2³²⁵⁷⁷⁸ is an apocalyptic number.

325778 is a deficient number, since it is larger than the sum of its proper divisors (162892).

325778 is a wasteful number, since it uses less digits than its factorization.

325778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162891.

The product of its digits is 11760, while the sum is 32.

The square root of 325778 is about 570.7696558157. The cubic root of 325778 is about 68.8082613570.

The spelling of 325778 in words is "three hundred twenty-five thousand, seven hundred seventy-eight".