425626641 has 24 divisors (see below), whose sum is σ = 679186560. Its totient is φ = 254685600.

The previous prime is 425626639. The next prime is 425626673. The reversal of 425626641 is 146626524.

425626641 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 2 + 6 + 641 = 666.

It is not a de Polignac number, because 425626641 - 2¹ = 425626639 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425626596 and 425626605.

It is not an unprimeable number, because it can be changed into a prime (425626631) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 19390 + ... + 35031.

It is an arithmetic number, because the mean of its divisors is an integer number (28299440).

Almost surely, 2^425626641 is an apocalyptic number.

It is an amenable number.

425626641 is a deficient number, since it is larger than the sum of its proper divisors (253559919).

425626641 is a wasteful number, since it uses less digits than its factorization.

425626641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54517 (or 54514 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 425626641 is about 20630.7208066030. The cubic root of 425626641 is about 752.2166369069.

The spelling of 425626641 in words is "four hundred twenty-five million, six hundred twenty-six thousand, six hundred forty-one".