289349425 has 6 divisors (see below), whose sum is σ = 358793318. Its totient is φ = 231479520.

The previous prime is 289349369. The next prime is 289349441. The reversal of 289349425 is 524943982.

It can be written as a sum of positive squares in 3 ways, for example, as 2792241 + 286557184 = 1671^2 + 16928^2 .

It is not a de Polignac number, because 289349425 - 2²³ = 280960817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5786964 + ... + 5787013.

Almost surely, 2^289349425 is an apocalyptic number.

289349425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289349425 is a deficient number, since it is larger than the sum of its proper divisors (69443893).

289349425 is a wasteful number, since it uses less digits than its factorization.

289349425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573987 (or 11573982 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 289349425 is about 17010.2741012601. The cubic root of 289349425 is about 661.4152558357.

The spelling of 289349425 in words is "two hundred eighty-nine million, three hundred forty-nine thousand, four hundred twenty-five".