2350421 has 4 divisors (see below), whose sum is σ = 2431500. Its totient is φ = 2269344.

The previous prime is 2350409. The next prime is 2350429. The reversal of 2350421 is 1240532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 1661521 = 830^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2350421 - 2¹⁴ = 2334037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2350421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2350429) 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 3 ways as a sum of consecutive naturals, for example, 40496 + ... + 40553.

It is an arithmetic number, because the mean of its divisors is an integer number (607875).

2^2350421 is an apocalyptic number.

It is an amenable number.

2350421 is a deficient number, since it is larger than the sum of its proper divisors (81079).

2350421 is an equidigital number, since it uses as much as digits as its factorization.

2350421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81078.

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

The square root of 2350421 is about 1533.1082805856. The cubic root of 2350421 is about 132.9582283504.

Adding to 2350421 its reverse (1240532), we get a palindrome (3590953).

The spelling of 2350421 in words is "two million, three hundred fifty thousand, four hundred twenty-one".