61260239 has 2 divisors, whose sum is σ = 61260240. Its totient is φ = 61260238.

The previous prime is 61260233. The next prime is 61260257. The reversal of 61260239 is 93206216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61260239 - 2⁸ = 61259983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61260233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30630119 + 30630120.

It is an arithmetic number, because the mean of its divisors is an integer number (30630120).

Almost surely, 2^61260239 is an apocalyptic number.

61260239 is a deficient number, since it is larger than the sum of its proper divisors (1).

61260239 is an equidigital number, since it uses as much as digits as its factorization.

61260239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 61260239 is about 7826.8920396285. The cubic root of 61260239 is about 394.2087219829.

The spelling of 61260239 in words is "sixty-one million, two hundred sixty thousand, two hundred thirty-nine".