654725445 has 32 divisors (see below), whose sum is σ = 1151055360. Its totient is φ = 315147840.

The previous prime is 654725441. The next prime is 654725447. The reversal of 654725445 is 544527456.

It is not a de Polignac number, because 654725445 - 2² = 654725441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654725397 and 654725406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654725441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8662 + ... + 37208.

It is an arithmetic number, because the mean of its divisors is an integer number (35970480).

Almost surely, 2^654725445 is an apocalyptic number.

It is an amenable number.

654725445 is a deficient number, since it is larger than the sum of its proper divisors (496329915).

654725445 is a wasteful number, since it uses less digits than its factorization.

654725445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28705.

The product of its digits is 672000, while the sum is 42.

The square root of 654725445 is about 25587.6033461518. The cubic root of 654725445 is about 868.3332005441. Note that the first 3 decimals are identical.

The spelling of 654725445 in words is "six hundred fifty-four million, seven hundred twenty-five thousand, four hundred forty-five".