63126261 has 48 divisors (see below), whose sum is σ = 104552448. Its totient is φ = 36352800.

The previous prime is 63126251. The next prime is 63126289. The reversal of 63126261 is 16262136.

63126261 is a `hidden beast` number, since 6 + 31 + 2 + 626 + 1 = 666.

It is not a de Polignac number, because 63126261 - 2⁵ = 63126229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63126211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205470 + ... + 205776.

It is an arithmetic number, because the mean of its divisors is an integer number (2178176).

Almost surely, 2^63126261 is an apocalyptic number.

It is an amenable number.

63126261 is a deficient number, since it is larger than the sum of its proper divisors (41426187).

63126261 is a wasteful number, since it uses less digits than its factorization.

63126261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 419 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 63126261 is about 7945.2036474844. The cubic root of 63126261 is about 398.1713633761.

Adding to 63126261 its reverse (16262136), we get a palindrome (79388397).

The spelling of 63126261 in words is "sixty-three million, one hundred twenty-six thousand, two hundred sixty-one".