265979741 has 2 divisors, whose sum is σ = 265979742. Its totient is φ = 265979740.

The previous prime is 265979719. The next prime is 265979743. The reversal of 265979741 is 147979562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246804100 + 19175641 = 15710^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 265979741 - 2²² = 261785437 is a prime.

Together with 265979743, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265979741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265979743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132989870 + 132989871.

It is an arithmetic number, because the mean of its divisors is an integer number (132989871).

Almost surely, 2^265979741 is an apocalyptic number.

It is an amenable number.

265979741 is a deficient number, since it is larger than the sum of its proper divisors (1).

265979741 is an equidigital number, since it uses as much as digits as its factorization.

265979741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 265979741 is about 16308.8853389801. The cubic root of 265979741 is about 643.1064316257.

The spelling of 265979741 in words is "two hundred sixty-five million, nine hundred seventy-nine thousand, seven hundred forty-one".