255532603 has 4 divisors (see below), whose sum is σ = 256053528. Its totient is φ = 255011680.

The previous prime is 255532567. The next prime is 255532637. The reversal of 255532603 is 306235552.

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

It is a cyclic number.

It is not a de Polignac number, because 255532603 - 2²⁵ = 221978171 is a prime.

It is a super-2 number, since 2×255532603² = 130593822391911218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255532643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259726 + ... + 260707.

It is an arithmetic number, because the mean of its divisors is an integer number (64013382).

Almost surely, 2^255532603 is an apocalyptic number.

255532603 is a deficient number, since it is larger than the sum of its proper divisors (520925).

255532603 is an equidigital number, since it uses as much as digits as its factorization.

255532603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520924.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 255532603 is about 15985.3871707882. The cubic root of 255532603 is about 634.5737549075.

The spelling of 255532603 in words is "two hundred fifty-five million, five hundred thirty-two thousand, six hundred three".