2520342 has 32 divisors (see below), whose sum is σ = 6111360. Its totient is φ = 763560.

The previous prime is 2520319. The next prime is 2520347. The reversal of 2520342 is 2430252.

2520342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520347) 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 in 15 ways as a sum of consecutive naturals, for example, 1528 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (190980).

2^2520342 is an apocalyptic number.

2520342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2520342 is an abundant number, since it is smaller than the sum of its proper divisors (3591018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520342 is a wasteful number, since it uses less digits than its factorization.

2520342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2520342 is about 1587.5585028590. The cubic root of 2520342 is about 136.0879981239.

Adding to 2520342 its reverse (2430252), we get a palindrome (4950594).

The spelling of 2520342 in words is "two million, five hundred twenty thousand, three hundred forty-two".