654264445 has 4 divisors (see below), whose sum is σ = 785117340. Its totient is φ = 523411552.

The previous prime is 654264437. The next prime is 654264469. The reversal of 654264445 is 544462456.

It is a happy number.

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 382476249 + 271788196 = 19557^2 + 16486^2 .

It is a cyclic number.

It is not a de Polignac number, because 654264445 - 2³ = 654264437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654264398 and 654264407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65426440 + ... + 65426449.

It is an arithmetic number, because the mean of its divisors is an integer number (196279335).

Almost surely, 2^654264445 is an apocalyptic number.

It is an amenable number.

654264445 is a deficient number, since it is larger than the sum of its proper divisors (130852895).

654264445 is a wasteful number, since it uses less digits than its factorization.

654264445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130852894.

The product of its digits is 460800, while the sum is 40.

The square root of 654264445 is about 25578.5934914334. The cubic root of 654264445 is about 868.1293514357.

The spelling of 654264445 in words is "six hundred fifty-four million, two hundred sixty-four thousand, four hundred forty-five".