61288933 has 2 divisors, whose sum is σ = 61288934. Its totient is φ = 61288932.

The previous prime is 61288907. The next prime is 61288963. The reversal of 61288933 is 33988216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32741284 + 28547649 = 5722^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 61288933 - 2⁵ = 61288901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61288963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30644466 + 30644467.

It is an arithmetic number, because the mean of its divisors is an integer number (30644467).

Almost surely, 2^61288933 is an apocalyptic number.

It is an amenable number.

61288933 is a deficient number, since it is larger than the sum of its proper divisors (1).

61288933 is an equidigital number, since it uses as much as digits as its factorization.

61288933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 61288933 is about 7828.7248642419. The cubic root of 61288933 is about 394.2702608628.

The spelling of 61288933 in words is "sixty-one million, two hundred eighty-eight thousand, nine hundred thirty-three".