61300879 has 2 divisors, whose sum is σ = 61300880. Its totient is φ = 61300878.

The previous prime is 61300873. The next prime is 61300891. The reversal of 61300879 is 97800316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61300879 - 2⁹ = 61300367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61300873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30650439 + 30650440.

It is an arithmetic number, because the mean of its divisors is an integer number (30650440).

Almost surely, 2^61300879 is an apocalyptic number.

61300879 is a deficient number, since it is larger than the sum of its proper divisors (1).

61300879 is an equidigital number, since it uses as much as digits as its factorization.

61300879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 61300879 is about 7829.4877865669. The cubic root of 61300879 is about 394.2958753107.

The spelling of 61300879 in words is "sixty-one million, three hundred thousand, eight hundred seventy-nine".