203140051 has 2 divisors, whose sum is σ = 203140052. Its totient is φ = 203140050.

The previous prime is 203140033. The next prime is 203140057. The reversal of 203140051 is 150041302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203140051 - 2⁹ = 203139539 is a prime.

It is not a weakly prime, because it can be changed into another prime (203140057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101570025 + 101570026.

It is an arithmetic number, because the mean of its divisors is an integer number (101570026).

Almost surely, 2^203140051 is an apocalyptic number.

203140051 is a deficient number, since it is larger than the sum of its proper divisors (1).

203140051 is an equidigital number, since it uses as much as digits as its factorization.

203140051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 203140051 is about 14252.7208279683. The cubic root of 203140051 is about 587.8481905207.

Adding to 203140051 its reverse (150041302), we get a palindrome (353181353).

The spelling of 203140051 in words is "two hundred three million, one hundred forty thousand, fifty-one".