424402051 has 4 divisors (see below), whose sum is σ = 424445400. Its totient is φ = 424358704.

The previous prime is 424402009. The next prime is 424402061. The reversal of 424402051 is 150204424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424402051 - 2²⁵ = 390847619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424402061) 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, 735 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (106111350).

Almost surely, 2^424402051 is an apocalyptic number.

424402051 is a deficient number, since it is larger than the sum of its proper divisors (43349).

424402051 is a wasteful number, since it uses less digits than its factorization.

424402051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43348.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 424402051 is about 20601.0206300562. The cubic root of 424402051 is about 751.4945315594.

Adding to 424402051 its reverse (150204424), we get a palindrome (574606475).

The spelling of 424402051 in words is "four hundred twenty-four million, four hundred two thousand, fifty-one".