64870053 has 16 divisors (see below), whose sum is σ = 88099200. Its totient is φ = 42451200.

The previous prime is 64870033. The next prime is 64870067. The reversal of 64870053 is 35007846.

It is not a de Polignac number, because 64870053 - 2⁶ = 64869989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64869996 and 64870023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64870033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39513 + ... + 41121.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2^64870053 is an apocalyptic number.

It is an amenable number.

64870053 is a deficient number, since it is larger than the sum of its proper divisors (23229147).

64870053 is a wasteful number, since it uses less digits than its factorization.

64870053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64870053 is about 8054.1947455969. The cubic root of 64870053 is about 401.8044580044.

Adding to 64870053 its reverse (35007846), we get a palindrome (99877899).

The spelling of 64870053 in words is "sixty-four million, eight hundred seventy thousand, fifty-three".