255424415 has 8 divisors (see below), whose sum is σ = 306599040. Its totient is φ = 204279712.

The previous prime is 255424381. The next prime is 255424427. The reversal of 255424415 is 514424552.

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 255424415 - 2²⁰ = 254375839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21557 + ... + 31233.

It is an arithmetic number, because the mean of its divisors is an integer number (38324880).

Almost surely, 2^255424415 is an apocalyptic number.

255424415 is a deficient number, since it is larger than the sum of its proper divisors (51174625).

255424415 is an equidigital number, since it uses as much as digits as its factorization.

255424415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961.

The product of its digits is 32000, while the sum is 32.

The square root of 255424415 is about 15982.0028469526. The cubic root of 255424415 is about 634.4841864849.

Adding to 255424415 its reverse (514424552), we get a palindrome (769848967).

The spelling of 255424415 in words is "two hundred fifty-five million, four hundred twenty-four thousand, four hundred fifteen".