61633087 has 2 divisors, whose sum is σ = 61633088. Its totient is φ = 61633086.

The previous prime is 61633073. The next prime is 61633139. The reversal of 61633087 is 78033616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61633087 - 2¹¹ = 61631039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61636087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30816543 + 30816544.

It is an arithmetic number, because the mean of its divisors is an integer number (30816544).

Almost surely, 2^61633087 is an apocalyptic number.

61633087 is a deficient number, since it is larger than the sum of its proper divisors (1).

61633087 is an equidigital number, since it uses as much as digits as its factorization.

61633087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 61633087 is about 7850.6743022495. The cubic root of 61633087 is about 395.0068620290.

The spelling of 61633087 in words is "sixty-one million, six hundred thirty-three thousand, eighty-seven".