60825809 has 4 divisors (see below), whose sum is σ = 66355440. Its totient is φ = 55296180.

The previous prime is 60825799. The next prime is 60825827. The reversal of 60825809 is 90852806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60825809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60825829) 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, 2764799 + ... + 2764820.

It is an arithmetic number, because the mean of its divisors is an integer number (16588860).

Almost surely, 2^60825809 is an apocalyptic number.

It is an amenable number.

60825809 is a deficient number, since it is larger than the sum of its proper divisors (5529631).

60825809 is a wasteful number, since it uses less digits than its factorization.

60825809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529630.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 60825809 is about 7799.0902674607. The cubic root of 60825809 is about 393.2746603248.

The spelling of 60825809 in words is "sixty million, eight hundred twenty-five thousand, eight hundred nine".