63453261 has 16 divisors (see below), whose sum is σ = 88372800. Its totient is φ = 40457088.

The previous prime is 63453259. The next prime is 63453283. The reversal of 63453261 is 16235436.

It is not a de Polignac number, because 63453261 - 2¹ = 63453259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63453211) 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, 1705 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (5523300).

Almost surely, 2^63453261 is an apocalyptic number.

It is an amenable number.

63453261 is a deficient number, since it is larger than the sum of its proper divisors (24919539).

63453261 is a wasteful number, since it uses less digits than its factorization.

63453261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788.

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

The square root of 63453261 is about 7965.7555197232. The cubic root of 63453261 is about 398.8577014067.

Adding to 63453261 its reverse (16235436), we get a palindrome (79688697).

The spelling of 63453261 in words is "sixty-three million, four hundred fifty-three thousand, two hundred sixty-one".