654947045 has 4 divisors (see below), whose sum is σ = 785936460. Its totient is φ = 523957632.

The previous prime is 654947039. The next prime is 654947047. The reversal of 654947045 is 540749456.

654947045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 415099876 + 239847169 = 20374^2 + 15487^2 .

It is a cyclic number.

It is not a de Polignac number, because 654947045 - 2¹² = 654942949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654946987 and 654947005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654947047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65494700 + ... + 65494709.

It is an arithmetic number, because the mean of its divisors is an integer number (196484115).

Almost surely, 2^654947045 is an apocalyptic number.

It is an amenable number.

654947045 is a deficient number, since it is larger than the sum of its proper divisors (130989415).

654947045 is a wasteful number, since it uses less digits than its factorization.

654947045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130989414.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 654947045 is about 25591.9332016946. The cubic root of 654947045 is about 868.4311555640.

The spelling of 654947045 in words is "six hundred fifty-four million, nine hundred forty-seven thousand, forty-five".