2420351 has 4 divisors (see below), whose sum is σ = 2466072. Its totient is φ = 2374632.

The previous prime is 2420339. The next prime is 2420371. The reversal of 2420351 is 1530242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2420351 - 2⁶ = 2420287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22781 + ... + 22886.

It is an arithmetic number, because the mean of its divisors is an integer number (616518).

2^2420351 is an apocalyptic number.

2420351 is a deficient number, since it is larger than the sum of its proper divisors (45721).

2420351 is an equidigital number, since it uses as much as digits as its factorization.

2420351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45720.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2420351 is about 1555.7477301928. The cubic root of 2420351 is about 134.2639595382.

Adding to 2420351 its reverse (1530242), we get a palindrome (3950593).

The spelling of 2420351 in words is "two million, four hundred twenty thousand, three hundred fifty-one".