259722251 has 4 divisors (see below), whose sum is σ = 262020792. Its totient is φ = 257423712.

The previous prime is 259722227. The next prime is 259722299. The reversal of 259722251 is 152227952.

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 259722251 - 2¹⁴ = 259705867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259722851) 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, 1149101 + ... + 1149326.

It is an arithmetic number, because the mean of its divisors is an integer number (65505198).

Almost surely, 2^259722251 is an apocalyptic number.

259722251 is a deficient number, since it is larger than the sum of its proper divisors (2298541).

259722251 is a wasteful number, since it uses less digits than its factorization.

259722251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298540.

The product of its digits is 25200, while the sum is 35.

The square root of 259722251 is about 16115.9005643495. The cubic root of 259722251 is about 638.0230752948.

The spelling of 259722251 in words is "two hundred fifty-nine million, seven hundred twenty-two thousand, two hundred fifty-one".