424257007 has 4 divisors (see below), whose sum is σ = 424298656. Its totient is φ = 424215360.

The previous prime is 424256977. The next prime is 424257019. The reversal of 424257007 is 700752424.

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 424257007 - 2¹¹ = 424254959 is a prime.

It is the 20598-th Hogben number.

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 424257007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424257107) by changing a digit.

It is a nontrivial repunit in base 20597.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818 + ... + 29704.

It is an arithmetic number, because the mean of its divisors is an integer number (106074664).

Almost surely, 2^424257007 is an apocalyptic number.

424257007 is a deficient number, since it is larger than the sum of its proper divisors (41649).

424257007 is a wasteful number, since it uses less digits than its factorization.

424257007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41648.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 424257007 is about 20597.5000182061. The cubic root of 424257007 is about 751.4089113382.

The spelling of 424257007 in words is "four hundred twenty-four million, two hundred fifty-seven thousand, seven".