255023537 has 4 divisors (see below), whose sum is σ = 257889060. Its totient is φ = 252158016.

The previous prime is 255023533. The next prime is 255023539. The reversal of 255023537 is 735320552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35509681 + 219513856 = 5959^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 255023537 - 2² = 255023533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255023533) 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, 1432628 + ... + 1432805.

It is an arithmetic number, because the mean of its divisors is an integer number (64472265).

Almost surely, 2^255023537 is an apocalyptic number.

It is an amenable number.

255023537 is a deficient number, since it is larger than the sum of its proper divisors (2865523).

255023537 is an equidigital number, since it uses as much as digits as its factorization.

255023537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865522.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 255023537 is about 15969.4563777231. The cubic root of 255023537 is about 634.1520804981.

The spelling of 255023537 in words is "two hundred fifty-five million, twenty-three thousand, five hundred thirty-seven".