7905049 has 2 divisors, whose sum is σ = 7905050. Its totient is φ = 7905048.

The previous prime is 7905047. The next prime is 7905059. The reversal of 7905049 is 9405097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 1690000 = 2493^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 7905049 - 2¹ = 7905047 is a prime.

Together with 7905047, it forms a pair of twin primes.

It is equal to p₅₃₃₇₉₇ and since 7905049 and 533797 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7905043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3952524 + 3952525.

It is an arithmetic number, because the mean of its divisors is an integer number (3952525).

Almost surely, 2^7905049 is an apocalyptic number.

It is an amenable number.

7905049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7905049 is an equidigital number, since it uses as much as digits as its factorization.

7905049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 7905049 is about 2811.5918978401. The cubic root of 7905049 is about 199.2055904115.

The spelling of 7905049 in words is "seven million, nine hundred five thousand, forty-nine".