259849125 has 24 divisors (see below), whose sum is σ = 468423384. Its totient is φ = 138585600.

The previous prime is 259849123. The next prime is 259849127. The reversal of 259849125 is 521948952.

It is a happy number.

259849125 is a `hidden beast` number, since 2 + 598 + 49 + 12 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (259849123) and next prime (259849127).

It can be written as a sum of positive squares in 4 ways, for example, as 52316289 + 207532836 = 7233^2 + 14406^2 .

It is not a de Polignac number, because 259849125 - 2¹ = 259849123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259849123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114364 + ... + 116613.

It is an arithmetic number, because the mean of its divisors is an integer number (19517641).

Almost surely, 2^259849125 is an apocalyptic number.

259849125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259849125 is a deficient number, since it is larger than the sum of its proper divisors (208574259).

259849125 is a wasteful number, since it uses less digits than its factorization.

259849125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230998 (or 230985 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 259849125 is about 16119.8363825443. The cubic root of 259849125 is about 638.1269495448.

The spelling of 259849125 in words is "two hundred fifty-nine million, eight hundred forty-nine thousand, one hundred twenty-five".