265071379 has 2 divisors, whose sum is σ = 265071380. Its totient is φ = 265071378.

The previous prime is 265071377. The next prime is 265071407. The reversal of 265071379 is 973170562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265071379 - 2¹ = 265071377 is a prime.

Together with 265071377, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265071377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132535689 + 132535690.

It is an arithmetic number, because the mean of its divisors is an integer number (132535690).

Almost surely, 2^265071379 is an apocalyptic number.

265071379 is a deficient number, since it is larger than the sum of its proper divisors (1).

265071379 is an equidigital number, since it uses as much as digits as its factorization.

265071379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 265071379 is about 16281.0128370443. The cubic root of 265071379 is about 642.3734939452.

The spelling of 265071379 in words is "two hundred sixty-five million, seventy-one thousand, three hundred seventy-nine".