60009961 has 16 divisors (see below), whose sum is σ = 71294400. Its totient is φ = 49896000.

The previous prime is 60009959. The next prime is 60009979. The reversal of 60009961 is 16990006.

It is not a de Polignac number, because 60009961 - 2¹ = 60009959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60009931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 11011.

It is an arithmetic number, because the mean of its divisors is an integer number (4455900).

Almost surely, 2^60009961 is an apocalyptic number.

It is an amenable number.

60009961 is a deficient number, since it is larger than the sum of its proper divisors (11284439).

60009961 is a wasteful number, since it uses less digits than its factorization.

60009961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 60009961 is about 7746.6096455159. The cubic root of 60009961 is about 391.5084273607.

Adding to 60009961 its reverse (16990006), we get a palindrome (76999967).

The spelling of 60009961 in words is "sixty million, nine thousand, nine hundred sixty-one".