325332251 has 2 divisors, whose sum is σ = 325332252. Its totient is φ = 325332250.

The previous prime is 325332223. The next prime is 325332283. The reversal of 325332251 is 152233523.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325332251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325332251.

It is not a weakly prime, because it can be changed into another prime (325332151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162666125 + 162666126.

It is an arithmetic number, because the mean of its divisors is an integer number (162666126).

Almost surely, 2^325332251 is an apocalyptic number.

325332251 is a deficient number, since it is larger than the sum of its proper divisors (1).

325332251 is an equidigital number, since it uses as much as digits as its factorization.

325332251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 325332251 is about 18036.9690081233. The cubic root of 325332251 is about 687.7686450281.

Adding to 325332251 its reverse (152233523), we get a palindrome (477565774).

The spelling of 325332251 in words is "three hundred twenty-five million, three hundred thirty-two thousand, two hundred fifty-one".