61336533 has 16 divisors (see below), whose sum is σ = 85732416. Its totient is φ = 38962560.

The previous prime is 61336531. The next prime is 61336549. The reversal of 61336533 is 33563316.

It is not a de Polignac number, because 61336533 - 2¹ = 61336531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61336533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61336531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (5358276).

Almost surely, 2^61336533 is an apocalyptic number.

It is an amenable number.

61336533 is a deficient number, since it is larger than the sum of its proper divisors (24395883).

61336533 is a wasteful number, since it uses less digits than its factorization.

61336533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684.

The product of its digits is 14580, while the sum is 30.

The square root of 61336533 is about 7831.7643606023. The cubic root of 61336533 is about 394.3723043425.

Adding to 61336533 its reverse (33563316), we get a palindrome (94899849).

The spelling of 61336533 in words is "sixty-one million, three hundred thirty-six thousand, five hundred thirty-three".