61304293 has 8 divisors (see below), whose sum is σ = 61803000. Its totient is φ = 60808128.

The previous prime is 61304219. The next prime is 61304303. The reversal of 61304293 is 39240316.

It can be written as a sum of positive squares in 4 ways, for example, as 744769 + 60559524 = 863^2 + 7782^2 .

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 61304293 - 2¹⁷ = 61173221 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 (61304213) 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 in 7 ways as a sum of consecutive naturals, for example, 93555 + ... + 94207.

It is an arithmetic number, because the mean of its divisors is an integer number (7725375).

Almost surely, 2^61304293 is an apocalyptic number.

It is an amenable number.

61304293 is a deficient number, since it is larger than the sum of its proper divisors (498707).

61304293 is a wasteful number, since it uses less digits than its factorization.

61304293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 61304293 is about 7829.7058054565. The cubic root of 61304293 is about 394.3031949509.

The spelling of 61304293 in words is "sixty-one million, three hundred four thousand, two hundred ninety-three".