61254533 has 8 divisors (see below), whose sum is σ = 63081816. Its totient is φ = 59443200.

The previous prime is 61254511. The next prime is 61254539. The reversal of 61254533 is 33545216.

It can be written as a sum of positive squares in 4 ways, for example, as 2010724 + 59243809 = 1418^2 + 7697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61254533 - 2¹⁶ = 61188997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61254496 and 61254505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61254539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4043 + ... + 11783.

It is an arithmetic number, because the mean of its divisors is an integer number (7885227).

Almost surely, 2^61254533 is an apocalyptic number.

It is an amenable number.

61254533 is a deficient number, since it is larger than the sum of its proper divisors (1827283).

61254533 is a wasteful number, since it uses less digits than its factorization.

61254533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its digits is 10800, while the sum is 29.

The square root of 61254533 is about 7826.5275186381. The cubic root of 61254533 is about 394.1964822614.

Adding to 61254533 its reverse (33545216), we get a palindrome (94799749).

The spelling of 61254533 in words is "sixty-one million, two hundred fifty-four thousand, five hundred thirty-three".