61150765 has 8 divisors (see below), whose sum is σ = 79025688. Its totient is φ = 45157440.

The previous prime is 61150757. The next prime is 61150777. The reversal of 61150765 is 56705116.

61150765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1212201 + 59938564 = 1101^2 + 7742^2 .

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

It is not a de Polignac number, because 61150765 - 2³ = 61150757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 470326 + ... + 470455.

It is an arithmetic number, because the mean of its divisors is an integer number (9878211).

Almost surely, 2^61150765 is an apocalyptic number.

61150765 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61150765 is a deficient number, since it is larger than the sum of its proper divisors (17874923).

61150765 is a wasteful number, since it uses less digits than its factorization.

61150765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940799.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 61150765 is about 7819.8954596593. The cubic root of 61150765 is about 393.9737607819.

The spelling of 61150765 in words is "sixty-one million, one hundred fifty thousand, seven hundred sixty-five".