613172 has 24 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 257760.

The previous prime is 613169. The next prime is 613177. The reversal of 613172 is 271316.

It is a happy number.

613172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 613172.

It is not an unprimeable number, because it can be changed into a prime (613177) 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, 1529 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2⁶¹³¹⁷² is an apocalyptic number.

It is an amenable number.

613172 is an abundant number, since it is smaller than the sum of its proper divisors (636748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613172 is a wasteful number, since it uses less digits than its factorization.

613172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 613172 is about 783.0529994834. The cubic root of 613172 is about 84.9560095326.

Adding to 613172 its reverse (271316), we get a palindrome (884488).

The spelling of 613172 in words is "six hundred thirteen thousand, one hundred seventy-two".