255040535 has 4 divisors (see below), whose sum is σ = 306048648. Its totient is φ = 204032424.

The previous prime is 255040523. The next prime is 255040547. The reversal of 255040535 is 535040552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (255040523) and next prime (255040547).

It is a cyclic number.

It is not a de Polignac number, because 255040535 - 2¹⁴ = 255024151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255040498 and 255040507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25504049 + ... + 25504058.

It is an arithmetic number, because the mean of its divisors is an integer number (76512162).

Almost surely, 2^255040535 is an apocalyptic number.

255040535 is a deficient number, since it is larger than the sum of its proper divisors (51008113).

255040535 is an equidigital number, since it uses as much as digits as its factorization.

255040535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51008112.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 255040535 is about 15969.9885723190. The cubic root of 255040535 is about 634.1661694952.

The spelling of 255040535 in words is "two hundred fifty-five million, forty thousand, five hundred thirty-five".