2203161251 has 2 divisors, whose sum is σ = 2203161252. Its totient is φ = 2203161250.

The previous prime is 2203161221. The next prime is 2203161277. The reversal of 2203161251 is 1521613022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203161251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203161211) 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 as a sum of consecutive naturals, namely, 1101580625 + 1101580626.

It is an arithmetic number, because the mean of its divisors is an integer number (1101580626).

Almost surely, 2^2203161251 is an apocalyptic number.

2203161251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203161251 is an equidigital number, since it uses as much as digits as its factorization.

2203161251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2203161251 is about 46937.8445500004. The cubic root of 2203161251 is about 1301.2141026497.

Adding to 2203161251 its reverse (1521613022), we get a palindrome (3724774273).

The spelling of 2203161251 in words is "two billion, two hundred three million, one hundred sixty-one thousand, two hundred fifty-one".