259103381 has 2 divisors, whose sum is σ = 259103382. Its totient is φ = 259103380.

The previous prime is 259103359. The next prime is 259103431. The reversal of 259103381 is 183301952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133864900 + 125238481 = 11570^2 + 11191^2 .

It is a cyclic number.

It is not a de Polignac number, because 259103381 - 2²² = 254909077 is a prime.

It is a super-2 number, since 2×259103381² = 134269124091262322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259103321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129551690 + 129551691.

It is an arithmetic number, because the mean of its divisors is an integer number (129551691).

Almost surely, 2^259103381 is an apocalyptic number.

It is an amenable number.

259103381 is a deficient number, since it is larger than the sum of its proper divisors (1).

259103381 is an equidigital number, since it uses as much as digits as its factorization.

259103381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 259103381 is about 16096.6885103738. The cubic root of 259103381 is about 637.5159086636.

The spelling of 259103381 in words is "two hundred fifty-nine million, one hundred three thousand, three hundred eighty-one".