325810645 has 4 divisors (see below), whose sum is σ = 390972780. Its totient is φ = 260648512.

The previous prime is 325810633. The next prime is 325810649. The reversal of 325810645 is 546018523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546018523 = 19 ⋅28737817.

It can be written as a sum of positive squares in 2 ways, for example, as 97891236 + 227919409 = 9894^2 + 15097^2 .

It is a cyclic number.

It is not a de Polignac number, because 325810645 - 2¹¹ = 325808597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325810645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325810649) 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, 32581060 + ... + 32581069.

It is an arithmetic number, because the mean of its divisors is an integer number (97743195).

Almost surely, 2^325810645 is an apocalyptic number.

It is an amenable number.

325810645 is a deficient number, since it is larger than the sum of its proper divisors (65162135).

325810645 is an equidigital number, since it uses as much as digits as its factorization.

325810645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65162134.

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

The square root of 325810645 is about 18050.2256218586. The cubic root of 325810645 is about 688.1055962007.

The spelling of 325810645 in words is "three hundred twenty-five million, eight hundred ten thousand, six hundred forty-five".