613572 has 12 divisors (see below), whose sum is σ = 1431696. Its totient is φ = 204520.

The previous prime is 613559. The next prime is 613573. The reversal of 613572 is 275316.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (613573) 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, 25554 + ... + 25577.

It is an arithmetic number, because the mean of its divisors is an integer number (119308).

2⁶¹³⁵⁷² is an apocalyptic number.

It is an amenable number.

613572 is an abundant number, since it is smaller than the sum of its proper divisors (818124).

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

613572 is a wasteful number, since it uses less digits than its factorization.

613572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51138 (or 51136 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 613572 is about 783.3083683965. The cubic root of 613572 is about 84.9744790741.

Adding to 613572 its reverse (275316), we get a palindrome (888888).

The spelling of 613572 in words is "six hundred thirteen thousand, five hundred seventy-two".