654745065 has 16 divisors (see below), whose sum is σ = 1128176448. Its totient is φ = 322335936.

The previous prime is 654745061. The next prime is 654745087. The reversal of 654745065 is 560547456.

It is not a de Polignac number, because 654745065 - 2² = 654745061 is a prime.

It is a super-2 number, since 2×654745065² = 857382200283708450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654745061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678639 + ... + 1679028.

It is an arithmetic number, because the mean of its divisors is an integer number (70511028).

Almost surely, 2^654745065 is an apocalyptic number.

654745065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

654745065 is a deficient number, since it is larger than the sum of its proper divisors (473431383).

654745065 is a wasteful number, since it uses less digits than its factorization.

654745065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357688.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 654745065 is about 25587.9867320585. The cubic root of 654745065 is about 868.3418741682.

The spelling of 654745065 in words is "six hundred fifty-four million, seven hundred forty-five thousand, sixty-five".