255102251 has 4 divisors (see below), whose sum is σ = 255168192. Its totient is φ = 255036312.

The previous prime is 255102203. The next prime is 255102257. The reversal of 255102251 is 152201552.

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 255102251 - 2¹⁸ = 254840107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255102257) 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, 26780 + ... + 35033.

It is an arithmetic number, because the mean of its divisors is an integer number (63792048).

Almost surely, 2^255102251 is an apocalyptic number.

255102251 is a deficient number, since it is larger than the sum of its proper divisors (65941).

255102251 is an equidigital number, since it uses as much as digits as its factorization.

255102251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65940.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 255102251 is about 15971.9207047869. The cubic root of 255102251 is about 634.2173182832.

The spelling of 255102251 in words is "two hundred fifty-five million, one hundred two thousand, two hundred fifty-one".