63461431 has 12 divisors (see below), whose sum is σ = 70209864. Its totient is φ = 56882000.

The previous prime is 63461429. The next prime is 63461449. The reversal of 63461431 is 13416436.

63461431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63461431 - 2¹ = 63461429 is a prime.

It is a super-2 number, since 2×63461431² = 8054706449135522, which contains 22 as substring.

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 63461431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63461471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265410 + ... + 265648.

It is an arithmetic number, because the mean of its divisors is an integer number (5850822).

Almost surely, 2^63461431 is an apocalyptic number.

63461431 is a deficient number, since it is larger than the sum of its proper divisors (6748433).

63461431 is a wasteful number, since it uses less digits than its factorization.

63461431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 351 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 63461431 is about 7966.2683233745. The cubic root of 63461431 is about 398.8748191378.

Adding to 63461431 its reverse (13416436), we get a palindrome (76877867).

It can be divided in two parts, 6346 and 1431, that added together give a palindrome (7777).

The spelling of 63461431 in words is "sixty-three million, four hundred sixty-one thousand, four hundred thirty-one".