61223253 has 16 divisors (see below), whose sum is σ = 100469376. Its totient is φ = 32293440.

The previous prime is 61223251. The next prime is 61223257. The reversal of 61223253 is 35232216.

61223253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61223253 - 2¹ = 61223251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61223251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111858 + ... + 112403.

It is an arithmetic number, because the mean of its divisors is an integer number (6279336).

Almost surely, 2^61223253 is an apocalyptic number.

It is an amenable number.

61223253 is a deficient number, since it is larger than the sum of its proper divisors (39246123).

61223253 is a wasteful number, since it uses less digits than its factorization.

61223253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224284.

The product of its digits is 2160, while the sum is 24.

The square root of 61223253 is about 7824.5289315076. The cubic root of 61223253 is about 394.1293712258.

Adding to 61223253 its reverse (35232216), we get a palindrome (96455469).

The spelling of 61223253 in words is "sixty-one million, two hundred twenty-three thousand, two hundred fifty-three".