265425889 has 2 divisors, whose sum is σ = 265425890. Its totient is φ = 265425888.

The previous prime is 265425871. The next prime is 265425907. The reversal of 265425889 is 988524562.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (265425871) and next prime (265425907).

It can be written as a sum of positive squares in only one way, i.e., 238177489 + 27248400 = 15433^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 265425889 - 2¹⁷ = 265294817 is a prime.

It is not a weakly prime, because it can be changed into another prime (265425829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132712944 + 132712945.

It is an arithmetic number, because the mean of its divisors is an integer number (132712945).

Almost surely, 2^265425889 is an apocalyptic number.

It is an amenable number.

265425889 is a deficient number, since it is larger than the sum of its proper divisors (1).

265425889 is an equidigital number, since it uses as much as digits as its factorization.

265425889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 49.

The square root of 265425889 is about 16291.8964212273. The cubic root of 265425889 is about 642.6597393350.

The spelling of 265425889 in words is "two hundred sixty-five million, four hundred twenty-five thousand, eight hundred eighty-nine".