4001269 has 2 divisors, whose sum is σ = 4001270. Its totient is φ = 4001268.

The previous prime is 4001243. The next prime is 4001303. The reversal of 4001269 is 9621004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 1855044 = 1465^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001269 - 2⁵ = 4001237 is a prime.

It is a super-2 number, since 2×4001269² = 32020307220722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000634 + 2000635.

It is an arithmetic number, because the mean of its divisors is an integer number (2000635).

Almost surely, 2^4001269 is an apocalyptic number.

It is an amenable number.

4001269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001269 is an equidigital number, since it uses as much as digits as its factorization.

4001269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4001269 is about 2000.3172248421. The cubic root of 4001269 is about 158.7568901881.

The spelling of 4001269 in words is "four million, one thousand, two hundred sixty-nine".