654534613 has 4 divisors (see below), whose sum is σ = 665628480. Its totient is φ = 643440748.

The previous prime is 654534541. The next prime is 654534631. The reversal of 654534613 is 316435456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654534613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654534313) 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, 5546845 + ... + 5546962.

It is an arithmetic number, because the mean of its divisors is an integer number (166407120).

Almost surely, 2^654534613 is an apocalyptic number.

It is an amenable number.

654534613 is a deficient number, since it is larger than the sum of its proper divisors (11093867).

654534613 is a wasteful number, since it uses less digits than its factorization.

654534613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093866.

The product of its digits is 129600, while the sum is 37.

The square root of 654534613 is about 25583.8740811473. The cubic root of 654534613 is about 868.2488283519.

The spelling of 654534613 in words is "six hundred fifty-four million, five hundred thirty-four thousand, six hundred thirteen".