42619249 has 2 divisors, whose sum is σ = 42619250. Its totient is φ = 42619248.

The previous prime is 42619231. The next prime is 42619267. The reversal of 42619249 is 94291624.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (42619231) and next prime (42619267).

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 628849 = 6480^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 42619249 - 2⁵ = 42619217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42619219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21309624 + 21309625.

It is an arithmetic number, because the mean of its divisors is an integer number (21309625).

Almost surely, 2^42619249 is an apocalyptic number.

It is an amenable number.

42619249 is a deficient number, since it is larger than the sum of its proper divisors (1).

42619249 is an equidigital number, since it uses as much as digits as its factorization.

42619249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 42619249 is about 6528.3419794003. The cubic root of 42619249 is about 349.3026905758.

The spelling of 42619249 in words is "forty-two million, six hundred nineteen thousand, two hundred forty-nine".