255415743 has 24 divisors (see below), whose sum is σ = 411840000. Its totient is φ = 151194960.

The previous prime is 255415739. The next prime is 255415751. The reversal of 255415743 is 347514552.

255415743 is a `hidden beast` number, since 25 + 541 + 57 + 43 = 666.

It is not a de Polignac number, because 255415743 - 2² = 255415739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255415698 and 255415707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255415703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25743 + ... + 34256.

It is an arithmetic number, because the mean of its divisors is an integer number (17160000).

Almost surely, 2^255415743 is an apocalyptic number.

255415743 is a deficient number, since it is larger than the sum of its proper divisors (156424257).

255415743 is a wasteful number, since it uses less digits than its factorization.

255415743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60059 (or 60056 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 255415743 is about 15981.7315394797. The cubic root of 255415743 is about 634.4770058751.

The spelling of 255415743 in words is "two hundred fifty-five million, four hundred fifteen thousand, seven hundred forty-three".