63154457 has 8 divisors (see below), whose sum is σ = 64059336. Its totient is φ = 62255872.

The previous prime is 63154447. The next prime is 63154463. The reversal of 63154457 is 75445136.

63154457 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 4 ways, for example, as 491401 + 62663056 = 701^2 + 7916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63154457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63154447) 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 7 ways as a sum of consecutive naturals, for example, 20843 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (8007417).

Almost surely, 2^63154457 is an apocalyptic number.

It is an amenable number.

63154457 is a deficient number, since it is larger than the sum of its proper divisors (904879).

63154457 is a wasteful number, since it uses less digits than its factorization.

63154457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147.

The product of its digits is 50400, while the sum is 35.

The square root of 63154457 is about 7946.9778532471. The cubic root of 63154457 is about 398.2306370100.

The spelling of 63154457 in words is "sixty-three million, one hundred fifty-four thousand, four hundred fifty-seven".