61392713 has 2 divisors, whose sum is σ = 61392714. Its totient is φ = 61392712.

The previous prime is 61392677. The next prime is 61392733. The reversal of 61392713 is 31729316.

It is a happy number.

61392713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 4721929 = 7528^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 61392713 - 2⁶ = 61392649 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61392713.

It is not a weakly prime, because it can be changed into another prime (61392733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30696356 + 30696357.

It is an arithmetic number, because the mean of its divisors is an integer number (30696357).

Almost surely, 2^61392713 is an apocalyptic number.

It is an amenable number.

61392713 is a deficient number, since it is larger than the sum of its proper divisors (1).

61392713 is an equidigital number, since it uses as much as digits as its factorization.

61392713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 61392713 is about 7835.3502155296. The cubic root of 61392713 is about 394.4926734712.

The spelling of 61392713 in words is "sixty-one million, three hundred ninety-two thousand, seven hundred thirteen".