61304315 has 16 divisors (see below), whose sum is σ = 77193216. Its totient is φ = 46648800.

The previous prime is 61304303. The next prime is 61304333. The reversal of 61304315 is 51340316.

It is a happy number.

It is not a de Polignac number, because 61304315 - 2¹⁴ = 61287931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20570 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (4824576).

Almost surely, 2^61304315 is an apocalyptic number.

61304315 is a deficient number, since it is larger than the sum of its proper divisors (15888901).

61304315 is a wasteful number, since it uses less digits than its factorization.

61304315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61304315 is about 7829.7072103623. The cubic root of 61304315 is about 394.3032421182.

The spelling of 61304315 in words is "sixty-one million, three hundred four thousand, three hundred fifteen".