425211481 has 2 divisors, whose sum is σ = 425211482. Its totient is φ = 425211480.

The previous prime is 425211467. The next prime is 425211503. The reversal of 425211481 is 184112524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401601600 + 23609881 = 20040^2 + 4859^2 .

It is a cyclic number.

It is not a de Polignac number, because 425211481 - 2⁹ = 425210969 is a prime.

It is a super-2 number, since 2×425211481² = 361609607148426722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425211181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212605740 + 212605741.

It is an arithmetic number, because the mean of its divisors is an integer number (212605741).

Almost surely, 2^425211481 is an apocalyptic number.

It is an amenable number.

425211481 is a deficient number, since it is larger than the sum of its proper divisors (1).

425211481 is an equidigital number, since it uses as much as digits as its factorization.

425211481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 28.

The square root of 425211481 is about 20620.6566578274. The cubic root of 425211481 is about 751.9719844182.

The spelling of 425211481 in words is "four hundred twenty-five million, two hundred eleven thousand, four hundred eighty-one".