2420451 has 24 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1401840.

The previous prime is 2420423. The next prime is 2420459. The reversal of 2420451 is 1540242.

It is not a de Polignac number, because 2420451 - 2⁹ = 2419939 is a prime.

2420451 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420459) 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, 1746 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2^2420451 is an apocalyptic number.

2420451 is a deficient number, since it is larger than the sum of its proper divisors (1563165).

2420451 is a wasteful number, since it uses less digits than its factorization.

2420451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2420451 is about 1555.7798687475. The cubic root of 2420451 is about 134.2658086104.

Adding to 2420451 its reverse (1540242), we get a palindrome (3960693).

The spelling of 2420451 in words is "two million, four hundred twenty thousand, four hundred fifty-one".