265279841 has 2 divisors, whose sum is σ = 265279842. Its totient is φ = 265279840.

The previous prime is 265279837. The next prime is 265279921. The reversal of 265279841 is 148972562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228130816 + 37149025 = 15104^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 265279841 - 2² = 265279837 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 265279792 and 265279801.

It is not a weakly prime, because it can be changed into another prime (265279801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132639920 + 132639921.

It is an arithmetic number, because the mean of its divisors is an integer number (132639921).

Almost surely, 2^265279841 is an apocalyptic number.

It is an amenable number.

265279841 is a deficient number, since it is larger than the sum of its proper divisors (1).

265279841 is an equidigital number, since it uses as much as digits as its factorization.

265279841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 265279841 is about 16287.4135761330. The cubic root of 265279841 is about 642.5418452965.

The spelling of 265279841 in words is "two hundred sixty-five million, two hundred seventy-nine thousand, eight hundred forty-one".