4258949 has 2 divisors, whose sum is σ = 4258950. Its totient is φ = 4258948.

The previous prime is 4258937. The next prime is 4258951. The reversal of 4258949 is 9498524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 330625 = 1982^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 4258949 - 2⁸ = 4258693 is a prime.

Together with 4258951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4258909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129474 + 2129475.

It is an arithmetic number, because the mean of its divisors is an integer number (2129475).

Almost surely, 2^4258949 is an apocalyptic number.

It is an amenable number.

4258949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4258949 is an equidigital number, since it uses as much as digits as its factorization.

4258949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 4258949 is about 2063.7221227675. The cubic root of 4258949 is about 162.0942016768.

The spelling of 4258949 in words is "four million, two hundred fifty-eight thousand, nine hundred forty-nine".