255542537 has 4 divisors (see below), whose sum is σ = 256010256. Its totient is φ = 255074820.

The previous prime is 255542531. The next prime is 255542569. The reversal of 255542537 is 735245552.

255542537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255542537 - 2⁸ = 255542281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255542537.

It is not an unprimeable number, because it can be changed into a prime (255542531) 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, 233039 + ... + 234132.

It is an arithmetic number, because the mean of its divisors is an integer number (64002564).

Almost surely, 2^255542537 is an apocalyptic number.

It is an amenable number.

255542537 is a deficient number, since it is larger than the sum of its proper divisors (467719).

255542537 is an equidigital number, since it uses as much as digits as its factorization.

255542537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467718.

The product of its digits is 210000, while the sum is 38.

The square root of 255542537 is about 15985.6978890507. The cubic root of 255542537 is about 634.5819779600.

The spelling of 255542537 in words is "two hundred fifty-five million, five hundred forty-two thousand, five hundred thirty-seven".