57210001 has 4 divisors (see below), whose sum is σ = 57852900. Its totient is φ = 56567104.

The previous prime is 57209989. The next prime is 57210017. The reversal of 57210001 is 10001275.

57210001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 37638225 + 19571776 = 6135^2 + 4424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57210031) 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 3 ways as a sum of consecutive naturals, for example, 321316 + ... + 321493.

It is an arithmetic number, because the mean of its divisors is an integer number (14463225).

Almost surely, 2^57210001 is an apocalyptic number.

It is an amenable number.

57210001 is a deficient number, since it is larger than the sum of its proper divisors (642899).

57210001 is an equidigital number, since it uses as much as digits as its factorization.

57210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642898.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 57210001 is about 7563.7293050452. The cubic root of 57210001 is about 385.3221590896.

Adding to 57210001 its reverse (10001275), we get a palindrome (67211276).

The spelling of 57210001 in words is "fifty-seven million, two hundred ten thousand, one".