259245031 has 2 divisors, whose sum is σ = 259245032. Its totient is φ = 259245030.

The previous prime is 259245017. The next prime is 259245037. The reversal of 259245031 is 130542952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259245031 - 2¹¹ = 259242983 is a prime.

It is a super-2 number, since 2×259245031² = 134415972196381922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259244984 and 259245002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259245037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129622515 + 129622516.

It is an arithmetic number, because the mean of its divisors is an integer number (129622516).

Almost surely, 2^259245031 is an apocalyptic number.

259245031 is a deficient number, since it is larger than the sum of its proper divisors (1).

259245031 is an equidigital number, since it uses as much as digits as its factorization.

259245031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 259245031 is about 16101.0878825004. The cubic root of 259245031 is about 637.6320626571.

Adding to 259245031 its reverse (130542952), we get a palindrome (389787983).

The spelling of 259245031 in words is "two hundred fifty-nine million, two hundred forty-five thousand, thirty-one".