2442505 has 16 divisors (see below), whose sum is σ = 3220560. Its totient is φ = 1767168.

The previous prime is 2442499. The next prime is 2442511. The reversal of 2442505 is 5052442.

2442505 = T₂₄₁ + T₂₄₂ + ... + T₃₀₅.

It is an interprime number because it is at equal distance from previous prime (2442499) and next prime (2442511).

It can be written as a sum of positive squares in 8 ways, for example, as 299209 + 2143296 = 547^2 + 1464^2 .

It is not a de Polignac number, because 2442505 - 2³ = 2442497 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (201285).

2^2442505 is an apocalyptic number.

It is an amenable number.

2442505 is a deficient number, since it is larger than the sum of its proper divisors (778055).

2442505 is a wasteful number, since it uses less digits than its factorization.

2442505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2442505 is about 1562.8515604497. The cubic root of 2442505 is about 134.6723650771.

Adding to 2442505 its reverse (5052442), we get a palindrome (7494947).

The spelling of 2442505 in words is "two million, four hundred forty-two thousand, five hundred five".