325250257 has 2 divisors, whose sum is σ = 325250258. Its totient is φ = 325250256.

The previous prime is 325250249. The next prime is 325250267. The reversal of 325250257 is 752052523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237190801 + 88059456 = 15401^2 + 9384^2 .

It is an emirp because it is prime and its reverse (752052523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325250257 - 2³ = 325250249 is a prime.

It is not a weakly prime, because it can be changed into another prime (325250267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162625128 + 162625129.

It is an arithmetic number, because the mean of its divisors is an integer number (162625129).

Almost surely, 2^325250257 is an apocalyptic number.

It is an amenable number.

325250257 is a deficient number, since it is larger than the sum of its proper divisors (1).

325250257 is an equidigital number, since it uses as much as digits as its factorization.

325250257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 325250257 is about 18034.6959220276. The cubic root of 325250257 is about 687.7108603681.

The spelling of 325250257 in words is "three hundred twenty-five million, two hundred fifty thousand, two hundred fifty-seven".