4501325221 has 2 divisors, whose sum is σ = 4501325222. Its totient is φ = 4501325220.

The previous prime is 4501325167. The next prime is 4501325249. The reversal of 4501325221 is 1225231054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3109289121 + 1392036100 = 55761^2 + 37310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4501325221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4501325921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2250662610 + 2250662611.

It is an arithmetic number, because the mean of its divisors is an integer number (2250662611).

Almost surely, 2^4501325221 is an apocalyptic number.

It is an amenable number.

4501325221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4501325221 is an equidigital number, since it uses as much as digits as its factorization.

4501325221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4501325221 is about 67091.9162120147. The cubic root of 4501325221 is about 1651.1256745901.

Adding to 4501325221 its reverse (1225231054), we get a palindrome (5726556275).

The spelling of 4501325221 in words is "four billion, five hundred one million, three hundred twenty-five thousand, two hundred twenty-one".