259122481 has 2 divisors, whose sum is σ = 259122482. Its totient is φ = 259122480.

The previous prime is 259122467. The next prime is 259122497. The reversal of 259122481 is 184221952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 45495025 = 14616^2 + 6745^2 .

It is a cyclic number.

It is not a de Polignac number, because 259122481 - 2⁹ = 259121969 is a prime.

It is a super-2 number, since 2×259122481² = 134288920319190722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259122181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129561240 + 129561241.

It is an arithmetic number, because the mean of its divisors is an integer number (129561241).

Almost surely, 2^259122481 is an apocalyptic number.

It is an amenable number.

259122481 is a deficient number, since it is larger than the sum of its proper divisors (1).

259122481 is an equidigital number, since it uses as much as digits as its factorization.

259122481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 259122481 is about 16097.2817891717. The cubic root of 259122481 is about 637.5315732664.

The spelling of 259122481 in words is "two hundred fifty-nine million, one hundred twenty-two thousand, four hundred eighty-one".