63827145 has 24 divisors (see below), whose sum is σ = 110819592. Its totient is φ = 33984000.

The previous prime is 63827131. The next prime is 63827149. The reversal of 63827145 is 54172836.

63827145 is a `hidden beast` number, since 638 + 2 + 7 + 14 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 61402896 = 1557^2 + 7836^2 .

It is not a de Polignac number, because 63827145 - 2¹⁵ = 63794377 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63827149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52545 + ... + 53745.

It is an arithmetic number, because the mean of its divisors is an integer number (4617483).

Almost surely, 2^63827145 is an apocalyptic number.

It is an amenable number.

63827145 is a deficient number, since it is larger than the sum of its proper divisors (46992447).

63827145 is a wasteful number, since it uses less digits than its factorization.

63827145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2390 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 63827145 is about 7989.1892579911. The cubic root of 63827145 is about 399.6395607230.

The spelling of 63827145 in words is "sixty-three million, eight hundred twenty-seven thousand, one hundred forty-five".