425655361 has 2 divisors, whose sum is σ = 425655362. Its totient is φ = 425655360.

The previous prime is 425655341. The next prime is 425655371. The reversal of 425655361 is 163556524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288320400 + 137334961 = 16980^2 + 11719^2 .

It is a cyclic number.

It is not a de Polignac number, because 425655361 - 2¹³ = 425647169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425655361.

It is not a weakly prime, because it can be changed into another prime (425655331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212827680 + 212827681.

It is an arithmetic number, because the mean of its divisors is an integer number (212827681).

Almost surely, 2^425655361 is an apocalyptic number.

It is an amenable number.

425655361 is a deficient number, since it is larger than the sum of its proper divisors (1).

425655361 is an equidigital number, since it uses as much as digits as its factorization.

425655361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 37.

The square root of 425655361 is about 20631.4168442209. The cubic root of 425655361 is about 752.2335556285.

The spelling of 425655361 in words is "four hundred twenty-five million, six hundred fifty-five thousand, three hundred sixty-one".