2402520 has 32 divisors (see below), whose sum is σ = 7207920. Its totient is φ = 640640.

The previous prime is 2402509. The next prime is 2402537. The reversal of 2402520 is 252042.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2402520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9891 + ... + 10130.

2^2402520 is an apocalyptic number.

2402520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402520 is an abundant number, since it is smaller than the sum of its proper divisors (4805400).

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

2402520 is a wasteful number, since it uses less digits than its factorization.

2402520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035 (or 20031 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2402520 is about 1550.0064515995. The cubic root of 2402520 is about 133.9334339314.

Adding to 2402520 its reverse (252042), we get a palindrome (2654562).

The spelling of 2402520 in words is "two million, four hundred two thousand, five hundred twenty".