2429505 has 24 divisors (see below), whose sum is σ = 4536168. Its totient is φ = 1195776.

The previous prime is 2429503. The next prime is 2429509. The reversal of 2429505 is 5059242.

It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 2322576 = 327^2 + 1524^2 .

It is not a de Polignac number, because 2429505 - 2¹ = 2429503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2429503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1492 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (189007).

2^2429505 is an apocalyptic number.

It is an amenable number.

2429505 is a deficient number, since it is larger than the sum of its proper divisors (2106663).

2429505 is a wasteful number, since it uses less digits than its factorization.

2429505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177 (or 4174 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2429505 is about 1558.6869474016. The cubic root of 2429505 is about 134.4330129893.

The spelling of 2429505 in words is "two million, four hundred twenty-nine thousand, five hundred five".