259245131 has 4 divisors (see below), whose sum is σ = 260181312. Its totient is φ = 258308952.

The previous prime is 259245113. The next prime is 259245137. The reversal of 259245131 is 131542952.

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 259245131 - 2¹⁸ = 258982987 is a prime.

It is a super-2 number, since 2×259245131² = 134416075894414322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259245137) 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, 467675 + ... + 468228.

It is an arithmetic number, because the mean of its divisors is an integer number (65045328).

Almost surely, 2^259245131 is an apocalyptic number.

259245131 is a deficient number, since it is larger than the sum of its proper divisors (936181).

259245131 is an equidigital number, since it uses as much as digits as its factorization.

259245131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936180.

The product of its digits is 10800, while the sum is 32.

The square root of 259245131 is about 16101.0909878803. The cubic root of 259245131 is about 637.6321446428.

The spelling of 259245131 in words is "two hundred fifty-nine million, two hundred forty-five thousand, one hundred thirty-one".