2235491 has 2 divisors, whose sum is σ = 2235492. Its totient is φ = 2235490.

The previous prime is 2235469. The next prime is 2235509. The reversal of 2235491 is 1945322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2235491 - 2⁶ = 2235427 is a prime.

It is a super-2 number, since 2×2235491² = 9994840022162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2235491.

It is not a weakly prime, because it can be changed into another prime (2235091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117745 + 1117746.

It is an arithmetic number, because the mean of its divisors is an integer number (1117746).

2^2235491 is an apocalyptic number.

2235491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235491 is an equidigital number, since it uses as much as digits as its factorization.

2235491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 2235491 is about 1495.1558447199. The cubic root of 2235491 is about 130.7548003507.

The spelling of 2235491 in words is "two million, two hundred thirty-five thousand, four hundred ninety-one".