9042251 has 2 divisors, whose sum is σ = 9042252. Its totient is φ = 9042250.

The previous prime is 9042239. The next prime is 9042307. The reversal of 9042251 is 1522409.

9042251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9042251 is a prime.

It is not a weakly prime, because it can be changed into another prime (9042221) 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, 4521125 + 4521126.

It is an arithmetic number, because the mean of its divisors is an integer number (4521126).

Almost surely, 2^9042251 is an apocalyptic number.

9042251 is a deficient number, since it is larger than the sum of its proper divisors (1).

9042251 is an equidigital number, since it uses as much as digits as its factorization.

9042251 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 9042251 is about 3007.0335881064. The cubic root of 9042251 is about 208.3333765689. Note that the first 4 decimals are identical.

The spelling of 9042251 in words is "nine million, forty-two thousand, two hundred fifty-one".