425312201 has 2 divisors, whose sum is σ = 425312202. Its totient is φ = 425312200.

The previous prime is 425312189. The next prime is 425312203. The reversal of 425312201 is 102213524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 37222201 = 19700^2 + 6101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425312201 is a prime.

It is a Sophie Germain prime.

Together with 425312203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (425312203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212656100 + 212656101.

It is an arithmetic number, because the mean of its divisors is an integer number (212656101).

Almost surely, 2^425312201 is an apocalyptic number.

It is an amenable number.

425312201 is a deficient number, since it is larger than the sum of its proper divisors (1).

425312201 is an equidigital number, since it uses as much as digits as its factorization.

425312201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 425312201 is about 20623.0987244885. The cubic root of 425312201 is about 752.0313530245.

Adding to 425312201 its reverse (102213524), we get a palindrome (527525725).

The spelling of 425312201 in words is "four hundred twenty-five million, three hundred twelve thousand, two hundred one".