255535061 has 8 divisors (see below), whose sum is σ = 263576664. Its totient is φ = 247553280.

The previous prime is 255535051. The next prime is 255535067. The reversal of 255535061 is 160535552.

It can be written as a sum of positive squares in 4 ways, for example, as 115562500 + 139972561 = 10750^2 + 11831^2 .

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 255535061 - 2¹⁸ = 255272917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255535067) 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, 6200 + ... + 23441.

It is an arithmetic number, because the mean of its divisors is an integer number (32947083).

Almost surely, 2^255535061 is an apocalyptic number.

It is an amenable number.

255535061 is a deficient number, since it is larger than the sum of its proper divisors (8041603).

255535061 is a wasteful number, since it uses less digits than its factorization.

255535061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29911.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 255535061 is about 15985.4640533204. The cubic root of 255535061 is about 634.5757895824.

The spelling of 255535061 in words is "two hundred fifty-five million, five hundred thirty-five thousand, sixty-one".