63814249 has 4 divisors (see below), whose sum is σ = 63853636. Its totient is φ = 63774864.

The previous prime is 63814237. The next prime is 63814253. The reversal of 63814249 is 94241836.

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 16548624 + 47265625 = 4068^2 + 6875^2 .

It is a cyclic number.

It is not a de Polignac number, because 63814249 - 2¹⁵ = 63781481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63814649) 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, 17154 + ... + 20539.

It is an arithmetic number, because the mean of its divisors is an integer number (15963409).

Almost surely, 2^63814249 is an apocalyptic number.

It is an amenable number.

63814249 is a deficient number, since it is larger than the sum of its proper divisors (39387).

63814249 is a wasteful number, since it uses less digits than its factorization.

63814249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39386.

The product of its digits is 41472, while the sum is 37.

The square root of 63814249 is about 7988.3821265636. The cubic root of 63814249 is about 399.6126437589.

The spelling of 63814249 in words is "sixty-three million, eight hundred fourteen thousand, two hundred forty-nine".