63534261 has 16 divisors (see below), whose sum is σ = 97255424. Its totient is φ = 36139824.

The previous prime is 63534181. The next prime is 63534281. The reversal of 63534261 is 16243536.

It is not a de Polignac number, because 63534261 - 2¹⁴ = 63517877 is a prime.

It is a super-2 number, since 2×63534261² = 8073204641632242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63534281) 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, 2101 + ... + 11466.

It is an arithmetic number, because the mean of its divisors is an integer number (6078464).

Almost surely, 2^63534261 is an apocalyptic number.

It is an amenable number.

63534261 is a deficient number, since it is larger than the sum of its proper divisors (33721163).

63534261 is a wasteful number, since it uses less digits than its factorization.

63534261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800.

The product of its digits is 12960, while the sum is 30.

The square root of 63534261 is about 7970.8381616992. The cubic root of 63534261 is about 399.0273472000.

Adding to 63534261 its reverse (16243536), we get a palindrome (79777797).

The spelling of 63534261 in words is "sixty-three million, five hundred thirty-four thousand, two hundred sixty-one".