60928561 has 4 divisors (see below), whose sum is σ = 64512612. Its totient is φ = 57344512.

The previous prime is 60928537. The next prime is 60928577. The reversal of 60928561 is 16582906.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39250225 + 21678336 = 6265^2 + 4656^2 .

It is a cyclic number.

It is not a de Polignac number, because 60928561 - 2⁷ = 60928433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60928561.

It is not an unprimeable number, because it can be changed into a prime (60928531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792000 + ... + 1792033.

It is an arithmetic number, because the mean of its divisors is an integer number (16128153).

Almost surely, 2^60928561 is an apocalyptic number.

It is an amenable number.

60928561 is a deficient number, since it is larger than the sum of its proper divisors (3584051).

60928561 is a wasteful number, since it uses less digits than its factorization.

60928561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584050.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 60928561 is about 7805.6749227725. The cubic root of 60928561 is about 393.4959864658.

The spelling of 60928561 in words is "sixty million, nine hundred twenty-eight thousand, five hundred sixty-one".