2235971 has 2 divisors, whose sum is σ = 2235972. Its totient is φ = 2235970.

The previous prime is 2235949. The next prime is 2235973. The reversal of 2235971 is 1795322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2235971 - 2⁶ = 2235907 is a prime.

Together with 2235973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2235973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117985 + 1117986.

It is an arithmetic number, because the mean of its divisors is an integer number (1117986).

2^2235971 is an apocalyptic number.

2235971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235971 is an equidigital number, since it uses as much as digits as its factorization.

2235971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 2235971 is about 1495.3163544882. The cubic root of 2235971 is about 130.7641581477.

The spelling of 2235971 in words is "two million, two hundred thirty-five thousand, nine hundred seventy-one".