60012561 has 32 divisors (see below), whose sum is σ = 95735808. Its totient is φ = 32722560.

The previous prime is 60012551. The next prime is 60012577. The reversal of 60012561 is 16521006.

It is a happy number.

It is not a de Polignac number, because 60012561 - 2⁵ = 60012529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (60012521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39726 + ... + 41208.

It is an arithmetic number, because the mean of its divisors is an integer number (2991744).

Almost surely, 2^60012561 is an apocalyptic number.

It is an amenable number.

60012561 is a deficient number, since it is larger than the sum of its proper divisors (35723247).

60012561 is a wasteful number, since it uses less digits than its factorization.

60012561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 60012561 is about 7746.7774590471. Note that the first 3 decimals coincide. The cubic root of 60012561 is about 391.5140814620.

Adding to 60012561 its reverse (16521006), we get a palindrome (76533567).

The spelling of 60012561 in words is "sixty million, twelve thousand, five hundred sixty-one".