61487333 has 2 divisors, whose sum is σ = 61487334. Its totient is φ = 61487332.

The previous prime is 61487311. The next prime is 61487399. The reversal of 61487333 is 33378416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43864129 + 17623204 = 6623^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 61487333 - 2⁶ = 61487269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61487293 and 61487302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61483333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30743666 + 30743667.

It is an arithmetic number, because the mean of its divisors is an integer number (30743667).

Almost surely, 2^61487333 is an apocalyptic number.

It is an amenable number.

61487333 is a deficient number, since it is larger than the sum of its proper divisors (1).

61487333 is an equidigital number, since it uses as much as digits as its factorization.

61487333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 61487333 is about 7841.3859106666. The cubic root of 61487333 is about 394.6952367992.

The spelling of 61487333 in words is "sixty-one million, four hundred eighty-seven thousand, three hundred thirty-three".