63461321 has 24 divisors (see below), whose sum is σ = 81012960. Its totient is φ = 49156800.

The previous prime is 63461297. The next prime is 63461329. The reversal of 63461321 is 12316436.

It is not a de Polignac number, because 63461321 - 2⁶ = 63461257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63461329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151250 + ... + 151668.

It is an arithmetic number, because the mean of its divisors is an integer number (3375540).

Almost surely, 2^63461321 is an apocalyptic number.

It is an amenable number.

63461321 is a deficient number, since it is larger than the sum of its proper divisors (17551639).

63461321 is a wasteful number, since it uses less digits than its factorization.

63461321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 718 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 63461321 is about 7966.2614192606. The cubic root of 63461321 is about 398.8745886763.

Adding to 63461321 its reverse (12316436), we get a palindrome (75777757).

It can be divided in two parts, 6346 and 1321, that added together give a palindrome (7667).

The spelling of 63461321 in words is "sixty-three million, four hundred sixty-one thousand, three hundred twenty-one".