2520442 has 8 divisors (see below), whose sum is σ = 3810816. Its totient is φ = 1250172.

The previous prime is 2520439. The next prime is 2520443. The reversal of 2520442 is 2440252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520443) 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 in 3 ways as a sum of consecutive naturals, for example, 4708 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (476352).

2^2520442 is an apocalyptic number.

2520442 is a deficient number, since it is larger than the sum of its proper divisors (1290374).

2520442 is a wasteful number, since it uses less digits than its factorization.

2520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2520442 is about 1587.5899974490. The cubic root of 2520442 is about 136.0897979617.

Adding to 2520442 its reverse (2440252), we get a palindrome (4960694).

The spelling of 2520442 in words is "two million, five hundred twenty thousand, four hundred forty-two".