57203141 has 2 divisors, whose sum is σ = 57203142. Its totient is φ = 57203140.

The previous prime is 57203123. The next prime is 57203143. The reversal of 57203141 is 14130275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 16434916 = 6385^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57203141 is a prime.

It is a Sophie Germain prime.

Together with 57203143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57203143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28601570 + 28601571.

It is an arithmetic number, because the mean of its divisors is an integer number (28601571).

Almost surely, 2^57203141 is an apocalyptic number.

It is an amenable number.

57203141 is a deficient number, since it is larger than the sum of its proper divisors (1).

57203141 is an equidigital number, since it uses as much as digits as its factorization.

57203141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 57203141 is about 7563.2758114457. The cubic root of 57203141 is about 385.3067572623.

The spelling of 57203141 in words is "fifty-seven million, two hundred three thousand, one hundred forty-one".