63450531 has 12 divisors (see below), whose sum is σ = 91949520. Its totient is φ = 42162480.

The previous prime is 63450529. The next prime is 63450533. The reversal of 63450531 is 13505436.

63450531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63450529) and next prime (63450533).

It is not a de Polignac number, because 63450531 - 2¹ = 63450529 is a prime.

It is a super-2 number, since 2×63450531² = 8051939768363922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63450495 and 63450504.

It is not an unprimeable number, because it can be changed into a prime (63450533) 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, 8536 + ... + 14133.

It is an arithmetic number, because the mean of its divisors is an integer number (7662460).

Almost surely, 2^63450531 is an apocalyptic number.

63450531 is a deficient number, since it is larger than the sum of its proper divisors (28498989).

63450531 is a wasteful number, since it uses less digits than its factorization.

63450531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986 (or 22983 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 63450531 is about 7965.5841593696. The cubic root of 63450531 is about 398.8519812009.

Adding to 63450531 its reverse (13505436), we get a palindrome (76955967).

The spelling of 63450531 in words is "sixty-three million, four hundred fifty thousand, five hundred thirty-one".