2517420 has 24 divisors (see below), whose sum is σ = 7048944. Its totient is φ = 671296.

The previous prime is 2517407. The next prime is 2517439. The reversal of 2517420 is 247152.

2517420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20919 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (293706).

2^2517420 is an apocalyptic number.

2517420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2517420 is an abundant number, since it is smaller than the sum of its proper divisors (4531524).

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

2517420 is a wasteful number, since it uses less digits than its factorization.

2517420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41969 (or 41967 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2517420 is about 1586.6379549223. The cubic root of 2517420 is about 136.0353858325.

The spelling of 2517420 in words is "two million, five hundred seventeen thousand, four hundred twenty".