2420523 has 24 divisors (see below), whose sum is σ = 4146688. Its totient is φ = 1382184.

The previous prime is 2420519. The next prime is 2420531. The reversal of 2420523 is 3250242.

It is not a de Polignac number, because 2420523 - 2² = 2420519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2420496 and 2420505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420123) 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 23 ways as a sum of consecutive naturals, for example, 990 + ... + 2412.

2^2420523 is an apocalyptic number.

2420523 is a deficient number, since it is larger than the sum of its proper divisors (1726165).

2420523 is an equidigital number, since it uses as much as digits as its factorization.

2420523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1433 counting only the distinct ones).

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

The square root of 2420523 is about 1555.8030080958. The cubic root of 2420523 is about 134.2671399108.

Adding to 2420523 its reverse (3250242), we get a palindrome (5670765).

The spelling of 2420523 in words is "two million, four hundred twenty thousand, five hundred twenty-three".