2249987 has 2 divisors, whose sum is σ = 2249988. Its totient is φ = 2249986.

The previous prime is 2249983. The next prime is 2250013. The reversal of 2249987 is 7899422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2249987 - 2² = 2249983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2249981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124993 + 1124994.

It is an arithmetic number, because the mean of its divisors is an integer number (1124994).

2^2249987 is an apocalyptic number.

2249987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249987 is an equidigital number, since it uses as much as digits as its factorization.

2249987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 2249987 is about 1499.9956666604. The cubic root of 2249987 is about 131.0368173423.

The spelling of 2249987 in words is "two million, two hundred forty-nine thousand, nine hundred eighty-seven".