61433 has 4 divisors (see below), whose sum is σ = 64128. Its totient is φ = 58740.

The previous prime is 61417. The next prime is 61441. The reversal of 61433 is 33416.

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 61433 - 2⁴ = 61417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61433.

It is not an unprimeable number, because it can be changed into a prime (61403) 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, 1313 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (16032).

2⁶¹⁴³³ is an apocalyptic number.

It is an amenable number.

61433 is a deficient number, since it is larger than the sum of its proper divisors (2695).

61433 is a wasteful number, since it uses less digits than its factorization.

61433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its digits is 216, while the sum is 17.

The square root of 61433 is about 247.8568135033. The cubic root of 61433 is about 39.4578945660.

Subtracting from 61433 its sum of digits (17), we obtain a palindrome (61416).

Adding to 61433 its reverse (33416), we get a palindrome (94849).

It can be divided in two parts, 61 and 433, that added together give a palindrome (494).

The spelling of 61433 in words is "sixty-one thousand, four hundred thirty-three".