613552 has 20 divisors (see below), whose sum is σ = 1228096. Its totient is φ = 296640.

The previous prime is 613549. The next prime is 613559. The reversal of 613552 is 255316.

It is a happy number.

613552 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (613559) 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, 123 + ... + 1114.

2⁶¹³⁵⁵² is an apocalyptic number.

613552 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

613552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

613552 is a wasteful number, since it uses less digits than its factorization.

613552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1270 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 613552 is about 783.2956019282. The cubic root of 613552 is about 84.9735557877.

Adding to 613552 its reverse (255316), we get a palindrome (868868).

The spelling of 613552 in words is "six hundred thirteen thousand, five hundred fifty-two".