424665257 has 8 divisors (see below), whose sum is σ = 456528000. Its totient is φ = 393753744.

The previous prime is 424665247. The next prime is 424665259. The reversal of 424665257 is 752566424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424665257 - 2¹² = 424661161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424665259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236882 + ... + 238667.

It is an arithmetic number, because the mean of its divisors is an integer number (57066000).

Almost surely, 2^424665257 is an apocalyptic number.

424665257 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

424665257 is a deficient number, since it is larger than the sum of its proper divisors (31862743).

424665257 is a wasteful number, since it uses less digits than its factorization.

424665257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475615.

The product of its digits is 403200, while the sum is 41.

The square root of 424665257 is about 20607.4078185491. The cubic root of 424665257 is about 751.6498536124.

The spelling of 424665257 in words is "four hundred twenty-four million, six hundred sixty-five thousand, two hundred fifty-seven".