61028315 has 16 divisors (see below), whose sum is σ = 77020416. Its totient is φ = 46332000.

The previous prime is 61028291. The next prime is 61028327. The reversal of 61028315 is 51382016.

It is not a de Polignac number, because 61028315 - 2⁶ = 61028251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13040 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (4813776).

Almost surely, 2^61028315 is an apocalyptic number.

61028315 is a deficient number, since it is larger than the sum of its proper divisors (15992101).

61028315 is a wasteful number, since it uses less digits than its factorization.

61028315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 61028315 is about 7812.0621477303. The cubic root of 61028315 is about 393.7106170403.

The spelling of 61028315 in words is "sixty-one million, twenty-eight thousand, three hundred fifteen".