325250145481 has 2 divisors, whose sum is σ = 325250145482. Its totient is φ = 325250145480.

The previous prime is 325250145431. The next prime is 325250145533. The reversal of 325250145481 is 184541052523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228379807881 + 96870337600 = 477891^2 + 311240^2 .

It is an emirp because it is prime and its reverse (184541052523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325250145481 - 2¹¹ = 325250143433 is a prime.

It is a super-2 number, since 2×325250145481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325250145421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162625072740 + 162625072741.

It is an arithmetic number, because the mean of its divisors is an integer number (162625072741).

Almost surely, 2^325250145481 is an apocalyptic number.

It is an amenable number.

325250145481 is a deficient number, since it is larger than the sum of its proper divisors (1).

325250145481 is an equidigital number, since it uses as much as digits as its factorization.

325250145481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 325250145481 in words is "three hundred twenty-five billion, two hundred fifty million, one hundred forty-five thousand, four hundred eighty-one".