325250145421 has 2 divisors, whose sum is σ = 325250145422. Its totient is φ = 325250145420.

The previous prime is 325250145419. The next prime is 325250145431. The reversal of 325250145421 is 124541052523.

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., 186441740521 + 138808404900 = 431789^2 + 372570^2 .

It is a cyclic number.

It is not a de Polignac number, because 325250145421 - 2¹ = 325250145419 is a prime.

Together with 325250145419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325250145431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162625072710 + 162625072711.

It is an arithmetic number, because the mean of its divisors is an integer number (162625072711).

Almost surely, 2^325250145421 is an apocalyptic number.

It is an amenable number.

325250145421 is a deficient number, since it is larger than the sum of its proper divisors (1).

325250145421 is an equidigital number, since it uses as much as digits as its factorization.

325250145421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 325250145421 its reverse (124541052523), we get a palindrome (449791197944).

The spelling of 325250145421 in words is "three hundred twenty-five billion, two hundred fifty million, one hundred forty-five thousand, four hundred twenty-one".