2259949 has 2 divisors, whose sum is σ = 2259950. Its totient is φ = 2259948.

The previous prime is 2259937. The next prime is 2259967. The reversal of 2259949 is 9499522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 1010025 = 1118^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259949 - 2⁹ = 2259437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129974 + 1129975.

It is an arithmetic number, because the mean of its divisors is an integer number (1129975).

2^2259949 is an apocalyptic number.

It is an amenable number.

2259949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259949 is an equidigital number, since it uses as much as digits as its factorization.

2259949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 2259949 is about 1503.3126753939. The cubic root of 2259949 is about 131.2299246695.

The spelling of 2259949 in words is "two million, two hundred fifty-nine thousand, nine hundred forty-nine".