424651 has 4 divisors (see below), whose sum is σ = 430704. Its totient is φ = 418600.

The previous prime is 424639. The next prime is 424661. The reversal of 424651 is 156424.

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 424651 - 2⁹ = 424139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424601) 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, 2920 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (107676).

2⁴²⁴⁶⁵¹ is an apocalyptic number.

424651 is a deficient number, since it is larger than the sum of its proper divisors (6053).

424651 is an equidigital number, since it uses as much as digits as its factorization.

424651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052.

The product of its digits is 960, while the sum is 22.

The square root of 424651 is about 651.6525147653. The cubic root of 424651 is about 75.1641441974.

The spelling of 424651 in words is "four hundred twenty-four thousand, six hundred fifty-one".