63012061 has 4 divisors (see below), whose sum is σ = 72013792. Its totient is φ = 54010332.

The previous prime is 63012049. The next prime is 63012091. The reversal of 63012061 is 16021036.

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 not a de Polignac number, because 63012061 - 2⁵ = 63012029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63012091) 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, 4500855 + ... + 4500868.

It is an arithmetic number, because the mean of its divisors is an integer number (18003448).

Almost surely, 2^63012061 is an apocalyptic number.

It is an amenable number.

63012061 is a deficient number, since it is larger than the sum of its proper divisors (9001731).

63012061 is an equidigital number, since it uses as much as digits as its factorization.

63012061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001730.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 63012061 is about 7938.0136684186. The cubic root of 63012061 is about 397.9311114493.

Adding to 63012061 its reverse (16021036), we get a palindrome (79033097).

Subtracting from 63012061 its reverse (16021036), we obtain a square (46991025 = 6855²).

The spelling of 63012061 in words is "sixty-three million, twelve thousand, sixty-one".