425025481 has 2 divisors, whose sum is σ = 425025482. Its totient is φ = 425025480.

The previous prime is 425025457. The next prime is 425025499. The reversal of 425025481 is 184520524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339296400 + 85729081 = 18420^2 + 9259^2 .

It is a cyclic number.

It is not a de Polignac number, because 425025481 - 2⁷ = 425025353 is a prime.

It is a super-2 number, since 2×425025481² = 361293318998562722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425025281) 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, 212512740 + 212512741.

It is an arithmetic number, because the mean of its divisors is an integer number (212512741).

Almost surely, 2^425025481 is an apocalyptic number.

It is an amenable number.

425025481 is a deficient number, since it is larger than the sum of its proper divisors (1).

425025481 is an equidigital number, since it uses as much as digits as its factorization.

425025481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 425025481 is about 20616.1461238516. The cubic root of 425025481 is about 751.8623235442.

The spelling of 425025481 in words is "four hundred twenty-five million, twenty-five thousand, four hundred eighty-one".