1654225641 has 12 divisors (see below), whose sum is σ = 2395680768. Its totient is φ = 1099935384.

The previous prime is 1654225631. The next prime is 1654225667. The reversal of 1654225641 is 1465224561.

1654225641 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 2 + 2 + 5 + 641 = 666.

It is not a de Polignac number, because 1654225641 - 2⁷ = 1654225513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1654225596 and 1654225605.

It is not an unprimeable number, because it can be changed into a prime (1654225621) 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 in 11 ways as a sum of consecutive naturals, for example, 236505 + ... + 243398.

It is an arithmetic number, because the mean of its divisors is an integer number (199640064).

Almost surely, 2^1654225641 is an apocalyptic number.

It is an amenable number.

1654225641 is a deficient number, since it is larger than the sum of its proper divisors (741455127).

1654225641 is a wasteful number, since it uses less digits than its factorization.

1654225641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480292 (or 480289 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1654225641 is about 40672.1728089366. The cubic root of 1654225641 is about 1182.6736370730.

The spelling of 1654225641 in words is "one billion, six hundred fifty-four million, two hundred twenty-five thousand, six hundred forty-one".