325825531 has 4 divisors (see below), whose sum is σ = 336336064. Its totient is φ = 315315000.

The previous prime is 325825463. The next prime is 325825537. The reversal of 325825531 is 135528523.

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

It is a cyclic number.

It is not a de Polignac number, because 325825531 - 2¹⁵ = 325792763 is a prime.

It is a super-2 number, since 2×325825531² = 212324553302863922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325825537) 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, 5255220 + ... + 5255281.

It is an arithmetic number, because the mean of its divisors is an integer number (84084016).

Almost surely, 2^325825531 is an apocalyptic number.

325825531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

325825531 is a deficient number, since it is larger than the sum of its proper divisors (10510533).

325825531 is a wasteful number, since it uses less digits than its factorization.

325825531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510532.

The product of its digits is 36000, while the sum is 34.

The square root of 325825531 is about 18050.6379665651. The cubic root of 325825531 is about 688.1160756863.

The spelling of 325825531 in words is "three hundred twenty-five million, eight hundred twenty-five thousand, five hundred thirty-one".