57245203 has 4 divisors (see below), whose sum is σ = 57306600. Its totient is φ = 57183808.

The previous prime is 57245197. The next prime is 57245207. The reversal of 57245203 is 30254275.

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

It is a cyclic number.

It is not a de Polignac number, because 57245203 - 2¹⁷ = 57114131 is a prime.

It is a super-2 number, since 2×57245203² = 6554026533022418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57245207) 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, 29278 + ... + 31171.

It is an arithmetic number, because the mean of its divisors is an integer number (14326650).

Almost surely, 2^57245203 is an apocalyptic number.

57245203 is a deficient number, since it is larger than the sum of its proper divisors (61397).

57245203 is an equidigital number, since it uses as much as digits as its factorization.

57245203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61396.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57245203 is about 7566.0559738876. The cubic root of 57245203 is about 385.4011740014.

Adding to 57245203 its reverse (30254275), we get a palindrome (87499478).

The spelling of 57245203 in words is "fifty-seven million, two hundred forty-five thousand, two hundred three".