63501461 has 4 divisors (see below), whose sum is σ = 64449312. Its totient is φ = 62553612.

The previous prime is 63501437. The next prime is 63501463. The reversal of 63501461 is 16410536.

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 not a de Polignac number, because 63501461 - 2¹⁸ = 63239317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63501461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63501463) 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, 473825 + ... + 473958.

It is an arithmetic number, because the mean of its divisors is an integer number (16112328).

Almost surely, 2^63501461 is an apocalyptic number.

It is an amenable number.

63501461 is a deficient number, since it is larger than the sum of its proper divisors (947851).

63501461 is an equidigital number, since it uses as much as digits as its factorization.

63501461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947850.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 63501461 is about 7968.7803960205. The cubic root of 63501461 is about 398.9586685076.

Adding to 63501461 its reverse (16410536), we get a palindrome (79911997).

The spelling of 63501461 in words is "sixty-three million, five hundred one thousand, four hundred sixty-one".