425945101 has 2 divisors, whose sum is σ = 425945102. Its totient is φ = 425945100.

The previous prime is 425945041. The next prime is 425945129. The reversal of 425945101 is 101549524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394975876 + 30969225 = 19874^2 + 5565^2 .

It is a cyclic number.

It is not a de Polignac number, because 425945101 - 2¹³ = 425936909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425949101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212972550 + 212972551.

It is an arithmetic number, because the mean of its divisors is an integer number (212972551).

Almost surely, 2^425945101 is an apocalyptic number.

It is an amenable number.

425945101 is a deficient number, since it is larger than the sum of its proper divisors (1).

425945101 is an equidigital number, since it uses as much as digits as its factorization.

425945101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 425945101 is about 20638.4374650796. The cubic root of 425945101 is about 752.4041965870.

The spelling of 425945101 in words is "four hundred twenty-five million, nine hundred forty-five thousand, one hundred one".