63154513 has 6 divisors (see below), whose sum is σ = 63571074. Its totient is φ = 62740656.

The previous prime is 63154493. The next prime is 63154517. The reversal of 63154513 is 31545136.

63154513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 11716929 = 7172^2 + 3423^2 .

It is not a de Polignac number, because 63154513 - 2⁹ = 63154001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63154517) 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 5 ways as a sum of consecutive naturals, for example, 25381 + ... + 27757.

It is an arithmetic number, because the mean of its divisors is an integer number (10595179).

Almost surely, 2^63154513 is an apocalyptic number.

It is an amenable number.

63154513 is a deficient number, since it is larger than the sum of its proper divisors (416561).

63154513 is an equidigital number, since it uses as much as digits as its factorization.

63154513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703 (or 2540 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 63154513 is about 7946.9813765983. The cubic root of 63154513 is about 398.2307547156.

Adding to 63154513 its reverse (31545136), we get a palindrome (94699649).

The spelling of 63154513 in words is "sixty-three million, one hundred fifty-four thousand, five hundred thirteen".