61315165 has 8 divisors (see below), whose sum is σ = 73622880. Its totient is φ = 49022352.

The previous prime is 61315159. The next prime is 61315183. The reversal of 61315165 is 56151316.

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 61315165 - 2³ = 61315157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (9202860).

Almost surely, 2^61315165 is an apocalyptic number.

It is an amenable number.

61315165 is a deficient number, since it is larger than the sum of its proper divisors (12307715).

61315165 is a wasteful number, since it uses less digits than its factorization.

61315165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451.

The product of its digits is 2700, while the sum is 28.

The square root of 61315165 is about 7830.4000536371. The cubic root of 61315165 is about 394.3265027854.

The spelling of 61315165 in words is "sixty-one million, three hundred fifteen thousand, one hundred sixty-five".