61036279 has 2 divisors, whose sum is σ = 61036280. Its totient is φ = 61036278.

The previous prime is 61036253. The next prime is 61036309. The reversal of 61036279 is 97263016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61036279 - 2⁵ = 61036247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61034279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30518139 + 30518140.

It is an arithmetic number, because the mean of its divisors is an integer number (30518140).

Almost surely, 2^61036279 is an apocalyptic number.

61036279 is a deficient number, since it is larger than the sum of its proper divisors (1).

61036279 is an equidigital number, since it uses as much as digits as its factorization.

61036279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 61036279 is about 7812.5718556696. The cubic root of 61036279 is about 393.7277422877.

The spelling of 61036279 in words is "sixty-one million, thirty-six thousand, two hundred seventy-nine".