265340983 has 2 divisors, whose sum is σ = 265340984. Its totient is φ = 265340982.

The previous prime is 265340953. The next prime is 265341001. The reversal of 265340983 is 389043562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265340983 - 2²¹ = 263243831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265340953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132670491 + 132670492.

It is an arithmetic number, because the mean of its divisors is an integer number (132670492).

Almost surely, 2^265340983 is an apocalyptic number.

265340983 is a deficient number, since it is larger than the sum of its proper divisors (1).

265340983 is an equidigital number, since it uses as much as digits as its factorization.

265340983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 265340983 is about 16289.2904388129. The cubic root of 265340983 is about 642.5912060967.

The spelling of 265340983 in words is "two hundred sixty-five million, three hundred forty thousand, nine hundred eighty-three".