255440527 has 6 divisors (see below), whose sum is σ = 263947344. Its totient is φ = 247199580.

The previous prime is 255440501. The next prime is 255440533. The reversal of 255440527 is 725044552.

It is not a de Polignac number, because 255440527 - 2⁷ = 255440399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255440492 and 255440501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255440557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131943 + ... + 133864.

It is an arithmetic number, because the mean of its divisors is an integer number (43991224).

Almost surely, 2^255440527 is an apocalyptic number.

255440527 is a deficient number, since it is larger than the sum of its proper divisors (8506817).

255440527 is an equidigital number, since it uses as much as digits as its factorization.

255440527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265869 (or 265838 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 255440527 is about 15982.5069059894. The cubic root of 255440527 is about 634.4975271494.

The spelling of 255440527 in words is "two hundred fifty-five million, four hundred forty thousand, five hundred twenty-seven".