654103613 has 8 divisors (see below), whose sum is σ = 677000280. Its totient is φ = 631229760.

The previous prime is 654103609. The next prime is 654103621. The reversal of 654103613 is 316301456.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 117115684 + 536987929 = 10822^2 + 23173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654103613 - 2² = 654103609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654103603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69743 + ... + 78563.

It is an arithmetic number, because the mean of its divisors is an integer number (84625035).

Almost surely, 2^654103613 is an apocalyptic number.

It is an amenable number.

654103613 is a deficient number, since it is larger than the sum of its proper divisors (22896667).

654103613 is a wasteful number, since it uses less digits than its factorization.

654103613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 654103613 is about 25575.4494193162. The cubic root of 654103613 is about 868.0582107712.

The spelling of 654103613 in words is "six hundred fifty-four million, one hundred three thousand, six hundred thirteen".