425443761 has 12 divisors (see below), whose sum is σ = 617651892. Its totient is φ = 282188256.

The previous prime is 425443747. The next prime is 425443771. The reversal of 425443761 is 167344524.

425443761 is a `hidden beast` number, since 42 + 544 + 3 + 76 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 365536161 + 59907600 = 19119^2 + 7740^2 .

It is not a de Polignac number, because 425443761 - 2¹¹ = 425441713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425443741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118206 + ... + 121751.

It is an arithmetic number, because the mean of its divisors is an integer number (51470991).

Almost surely, 2^425443761 is an apocalyptic number.

It is an amenable number.

425443761 is a deficient number, since it is larger than the sum of its proper divisors (192208131).

425443761 is a wasteful number, since it uses less digits than its factorization.

425443761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240160 (or 240157 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 425443761 is about 20626.2881052311. The cubic root of 425443761 is about 752.1088859090.

The spelling of 425443761 in words is "four hundred twenty-five million, four hundred forty-three thousand, seven hundred sixty-one".