425262197 has 2 divisors, whose sum is σ = 425262198. Its totient is φ = 425262196.

The previous prime is 425262193. The next prime is 425262281. The reversal of 425262197 is 791262524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361038001 + 64224196 = 19001^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 425262197 - 2² = 425262193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425262197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425262193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212631098 + 212631099.

It is an arithmetic number, because the mean of its divisors is an integer number (212631099).

Almost surely, 2^425262197 is an apocalyptic number.

It is an amenable number.

425262197 is a deficient number, since it is larger than the sum of its proper divisors (1).

425262197 is an equidigital number, since it uses as much as digits as its factorization.

425262197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 425262197 is about 20621.8863589149. The cubic root of 425262197 is about 752.0018797344.

The spelling of 425262197 in words is "four hundred twenty-five million, two hundred sixty-two thousand, one hundred ninety-seven".