61233253 has 4 divisors (see below), whose sum is σ = 61673920. Its totient is φ = 60792588.

The previous prime is 61233251. The next prime is 61233259. The reversal of 61233253 is 35233216.

It is a happy number.

61233253 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61233253 - 2¹ = 61233251 is a prime.

It is a super-2 number, since 2×61233253² = 7499022545924018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233251) 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 3 ways as a sum of consecutive naturals, for example, 220125 + ... + 220402.

It is an arithmetic number, because the mean of its divisors is an integer number (15418480).

Almost surely, 2^61233253 is an apocalyptic number.

It is an amenable number.

61233253 is a deficient number, since it is larger than the sum of its proper divisors (440667).

61233253 is a wasteful number, since it uses less digits than its factorization.

61233253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440666.

The product of its digits is 3240, while the sum is 25.

The square root of 61233253 is about 7825.1679215209. The cubic root of 61233253 is about 394.1508286457.

Adding to 61233253 its reverse (35233216), we get a palindrome (96466469).

It can be divided in two parts, 612332 and 53, that multiplied together give a triangular number (32453596 = T₈₀₅₆).

The spelling of 61233253 in words is "sixty-one million, two hundred thirty-three thousand, two hundred fifty-three".