613654 has 4 divisors (see below), whose sum is σ = 920484. Its totient is φ = 306826.

The previous prime is 613651. The next prime is 613661. The reversal of 613654 is 456316.

613654 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153412 + ... + 153415.

It is an arithmetic number, because the mean of its divisors is an integer number (230121).

2⁶¹³⁶⁵⁴ is an apocalyptic number.

613654 is a deficient number, since it is larger than the sum of its proper divisors (306830).

613654 is a wasteful number, since it uses less digits than its factorization.

613654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306829.

The product of its digits is 2160, while the sum is 25.

The square root of 613654 is about 783.3607087415. The cubic root of 613654 is about 84.9782643386.

The spelling of 613654 in words is "six hundred thirteen thousand, six hundred fifty-four".