63275137 has 4 divisors (see below), whose sum is σ = 63927556. Its totient is φ = 62622720.

The previous prime is 63275099. The next prime is 63275171. The reversal of 63275137 is 73157236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45643536 + 17631601 = 6756^2 + 4199^2 .

It is a cyclic number.

It is not a de Polignac number, because 63275137 - 2²³ = 54886529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63275197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326064 + ... + 326257.

It is an arithmetic number, because the mean of its divisors is an integer number (15981889).

Almost surely, 2^63275137 is an apocalyptic number.

It is an amenable number.

63275137 is a deficient number, since it is larger than the sum of its proper divisors (652419).

63275137 is an equidigital number, since it uses as much as digits as its factorization.

63275137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652418.

The product of its digits is 26460, while the sum is 34.

The square root of 63275137 is about 7954.5670529577. The cubic root of 63275137 is about 398.4841313625.

The spelling of 63275137 in words is "sixty-three million, two hundred seventy-five thousand, one hundred thirty-seven".