61392293 has 8 divisors (see below), whose sum is σ = 64229760. Its totient is φ = 58618720.

The previous prime is 61392277. The next prime is 61392311. The reversal of 61392293 is 39229316.

61392293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61392293 - 2⁴ = 61392277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61392263) 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 in 7 ways as a sum of consecutive naturals, for example, 14003 + ... + 17856.

It is an arithmetic number, because the mean of its divisors is an integer number (8028720).

Almost surely, 2^61392293 is an apocalyptic number.

It is an amenable number.

61392293 is a deficient number, since it is larger than the sum of its proper divisors (2837467).

61392293 is a wasteful number, since it uses less digits than its factorization.

61392293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947.

The product of its digits is 17496, while the sum is 35.

The square root of 61392293 is about 7835.3234138739. The cubic root of 61392293 is about 394.4917738677.

The spelling of 61392293 in words is "sixty-one million, three hundred ninety-two thousand, two hundred ninety-three".