425461945 has 4 divisors (see below), whose sum is σ = 510554340. Its totient is φ = 340369552.

The previous prime is 425461849. The next prime is 425461951. The reversal of 425461945 is 549164524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268009641 + 157452304 = 16371^2 + 12548^2 .

It is a cyclic number.

It is not a de Polignac number, because 425461945 - 2¹⁵ = 425429177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425461898 and 425461907.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 42546190 + ... + 42546199.

It is an arithmetic number, because the mean of its divisors is an integer number (127638585).

Almost surely, 2^425461945 is an apocalyptic number.

It is an amenable number.

425461945 is a deficient number, since it is larger than the sum of its proper divisors (85092395).

425461945 is an equidigital number, since it uses as much as digits as its factorization.

425461945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85092394.

The product of its digits is 172800, while the sum is 40.

The square root of 425461945 is about 20626.7288972343. The cubic root of 425461945 is about 752.1196011154.

The spelling of 425461945 in words is "four hundred twenty-five million, four hundred sixty-one thousand, nine hundred forty-five".